Index: taxonomy.php
===================================================================
--- taxonomy.php	(revision 6277)
+++ taxonomy.php	(working copy)
@@ -10,7 +10,9 @@
 //
 
 /**
- * @global array $wp_taxonomies Default Taxonomy Objects
+ * Default Taxonomy Objects
+ * @since 2.3
+ * @global array $wp_taxonomies
  */
 $wp_taxonomies = array();
 $wp_taxonomies['category'] = (object) array('name' => 'category', 'object_type' => 'post', 'hierarchical' => true, 'update_count_callback' => '_update_post_term_count');
@@ -23,22 +25,17 @@
  * It appears that this function can be used to find all of the names inside of
  * $wp_taxonomies global variable.
  *
- * @example
- *      <?php $taxonomies = get_object_taxonomies('post'); ?>
- *      Should result in <pre>Array(
- *      'category',
- *      'post_tag'
- *      )</pre>
+ * <code><?php $taxonomies = get_object_taxonomies('post'); ?></code>
+ * Should result in <code>Array('category', 'post_tag')</code>
  *
  * @package WordPress
  * @subpackage Taxonomy
+ * @since 2.3
  * 
- * @global array $wp_taxonomies
+ * @uses $wp_taxonomies
+ *
  * @param string $object_type Name of the type of taxonomy object
- * @return array The names of all within the object_type.
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @return array The names of all taxonomy of $object_type.
  */
 function get_object_taxonomies($object_type) {
 	global $wp_taxonomies;
@@ -53,20 +50,20 @@
 }
 
 /**
- * get_taxonomy() - Returns the "taxonomy" object of $taxonomy.
+ * get_taxonomy() - Returns the taxonomy object of $taxonomy.
  *
  * The get_taxonomy function will first check that the parameter string given
  * is a taxonomy object and if it is, it will return it.
  *
  * @package WordPress
  * @subpackage Taxonomy
- * 
- * @global array $wp_taxonomies
+ * @since 2.3
+ *
+ * @uses $wp_taxonomies
+ * @uses is_taxonomy() Checks whether taxonomy exists
+ *
  * @param string $taxonomy Name of taxonomy object to return
- * @return object|bool The Taxonomy Object or false if taxonomy doesn't exist
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @return object|bool The Taxonomy Object or false if $taxonomy doesn't exist
  */
 function get_taxonomy( $taxonomy ) {
 	global $wp_taxonomies;
@@ -82,13 +79,12 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
+ * @since 2.3
  * 
- * @global array $wp_taxonomies
+ * @uses $wp_taxonomies
+ *
  * @param string $taxonomy Name of taxonomy object
  * @return bool Whether the taxonomy exists or not.
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
  */
 function is_taxonomy( $taxonomy ) {
 	global $wp_taxonomies;
@@ -106,13 +102,13 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
- * 
- * @global array $wp_taxonomies
+ * @since 2.3
+ *
+ * @uses is_taxonomy() Checks whether taxonomy exists
+ * @uses get_taxonomy() Used to get the taxonomy object
+ *
  * @param string $taxonomy Name of taxonomy object
  * @return bool Whether the taxonomy is hierarchical
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
  */
 function is_taxonomy_hierarchical($taxonomy) {
 	if ( ! is_taxonomy($taxonomy) )
@@ -133,22 +129,20 @@
  * functions to still work. It is possible to overwrite the default set, which contains two
  * keys: hierarchical and update_count_callback.
  *
- * hierarachical has some defined purpose at other parts of the API and is a boolean value.
+ * Nothing is returned, so expect error maybe or use is_taxonomy() to check whether taxonomy exists.
  *
- * update_count_callback works much like a hook, in that it will be called (or something from
- *      somewhere).
+ * Optional $args contents:
+ * hierarachical - has some defined purpose at other parts of the API and is a boolean value.
+ * update_count_callback - works much like a hook, in that it will be called when the count is updated.
  *
  * @package WordPress
  * @subpackage Taxonomy
+ * @since 2.3
+ * @uses $wp_taxonomies Inserts new taxonomy object into the list
  * 
- * @global array $wp_taxonomies
  * @param string $taxonomy Name of taxonomy object
  * @param string $object_type Name of the object type for the taxonomy object.
  * @param array|string $args See above description for the two keys values.
- * @return null Nothing is returned, so expect error maybe or use is_taxonomy() to check.
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
  */
 function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
 	global $wp_taxonomies;
@@ -181,18 +175,16 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global object $wpdb Database Query
+ * @uses $wpdb
+ * @uses wp_parse_args() Creates an array from string $args.
+ *
  * @param string|array $terms String of term or array of string values of terms that will be used
  * @param string|array $taxonomies String of taxonomy name or Array of string values of taxonomy names
  * @param array|string $args Change the order of the object_ids, either ASC or DESC
- * @return object WP_Error - A PHP 4 compatible Exception class prototype
- * @return array Empty array if there are no $object_ids
- * @return array Array of $object_ids
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @return WP_Error|array If the taxonomy does not exist, then WP_Error will be returned. On success
+ *	the array can be empty meaning that there are no $object_ids found or it will return the $object_ids found.
  */
 function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
 	global $wpdb;
@@ -232,31 +224,35 @@
  *
  * The usage of the get_term function is to apply filters to a term object.
  * It is possible to get a term object from the database before applying the
- * filters. 
+ * filters.
  *
  * $term ID must be part of $taxonomy, to get from the database. Failure, might be
  * able to be captured by the hooks. Failure would be the same value as $wpdb returns for the
  * get_row method.
  *
- * There are two hooks, one is specifically for each term, named 'get_term', and the second is 
- * for the taxonomy name. Both hooks gets the term object, and the taxonomy name as parameters.
- * Both hooks are expected to return a Term object.
+ * There are two hooks, one is specifically for each term, named 'get_term', and the second is
+ * for the taxonomy name, 'term_$taxonomy'. Both hooks gets the term object, and the taxonomy
+ * name as parameters. Both hooks are expected to return a Term object.
  *
+ * 'get_term' hook - Takes two parameters the term Object and the taxonomy name. Must return
+ * term object. Used in @see get_term() as a catch-all filter for every $term.
+ *
+ * 'get_$taxonomy' hook - Takes two parameters the term Object and the taxonomy name. Must return
+ * term object. $taxonomy will be the taxonomy name, so for example, if 'category', it would be
+ * 'get_category' as the filter name. Useful for custom taxonomies or plugging into default taxonomies.
+ *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global object $wpdb Database Query
+ * @uses $wpdb
+ *
  * @param int|object $term If integer, will get from database. If object will apply filters and return $term.
  * @param string $taxonomy Taxonomy name that $term is part of.
  * @param string $output Constant OBJECT, ARRAY_A, or ARRAY_N
- * @param string $filter 
- * @return mixed Term Row from database
- *
- * @internal
- *   This is all conjecture and might be partially or completely inaccurate.
- *   Uses custom hook phpdoc documentation that isn't compatible with phpDoc. Useful for a custom
- *   solution if used in an uniform fashion throughout the code base.
+ * @param string $filter {@internal Missing Description}}
+ * @return mixed|null|WP_Error Term Row from database. Will return null if $term is empty. If taxonomy does not
+ * exist then WP_Error will be returned.
  */
 function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') {
 	global $wpdb;
@@ -278,33 +274,7 @@
 		}
 	}
 	
-	/**
-	 * @internal
-	 *
-	 * Takes two parameters the term Object and the taxonomy name. Must return term object.
-	 * Used in @see get_term() as a catch-all filter for every $term.
-	 * 
-	 * @hook-name get_term
-	 * @hook-return object
-	 * @hook-param object $_term The current term object
-	 * @hook-param string $taxonomy What taxonomy the term is in.
-	 */
 	$_term = apply_filters('get_term', $_term, $taxonomy);
-	
-	/**
-	 * @internal
-	 *
-	 * Takes two parameters the term Object and the taxonomy name. Must return term object.
-	 * $taxonomy will be the taxonomy name, so for example, if 'category', it would be 'get_category'
-	 * as the filter name.
-	 *
-	 * Useful for custom taxonomies or plugging into default taxonomies.
-	 * 
-	 * @hook-name get_$taxonomy
-	 * @hook-return object
-	 * @hook-param object $_term The current term object
-	 * @hook-param string $taxonomy What taxonomy the term is in.
-	 */
 	$_term = apply_filters("get_$taxonomy", $_term, $taxonomy);
 	$_term = sanitize_term($_term, $taxonomy, $filter);
 
@@ -329,22 +299,19 @@
  *
  * If $value does not exist, the return value will be false. If $taxonomy exists and $field
  * and $value combinations exist, the Term will be returned.
- * 
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global object $wpdb Database Query
+ * @uses $wpdb
+ *
  * @param string $field Either 'slug', 'name', or 'id'
  * @param string|int $value Search for this term value
  * @param string $taxonomy Taxonomy Name
  * @param string $output Constant OBJECT, ARRAY_A, or ARRAY_N
- * @param string $filter 
- * @return mixed Term Row from database
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @param string $filter {@internal Missing Description}}
+ * @return mixed Term Row from database. Will return false if $taxonomy does not exist or $term was not found.
  */
 function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw') {
 	global $wpdb;
@@ -388,21 +355,21 @@
  * get_term_children() - Merge all term children into a single array.
  *
  * This recursive function will merge all of the children of $term into
- * the same array.
+ * the same array. Only useful for taxonomies which are hierarchical.
  *
- * Only useful for taxonomies which are hierarchical.
+ * Will return an empty array if $term does not exist in $taxonomy.
  * 
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global object $wpdb Database Query
+ * @uses $wpdb
+ * @uses _get_term_hierarchy()
+ * @uses get_term_children() Used to get the children of both $taxonomy and the parent $term
+ *
  * @param string $term Name of Term to get children
  * @param string $taxonomy Taxonomy Name
- * @return array List of Term Objects
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @return array|WP_Error List of Term Objects. WP_Error returned if $taxonomy does not exist
  */
 function get_term_children( $term, $taxonomy ) {
 	if ( ! is_taxonomy($taxonomy) )
@@ -432,16 +399,15 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
+ * @uses sanitize_term_field() Passes the return value in sanitize_term_field on success.
+ *
  * @param string $field Term field to fetch
  * @param int $term Term ID
  * @param string $taxonomy Taxonomy Name
- * @param string $context ??
- * @return mixed @see sanitize_term_field()
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @param string $context {@internal Missing Description}}
+ * @return mixed Will return an empty string if $term is not an object or if $field is not set in $term.
  */
 function get_term_field( $field, $term, $taxonomy, $context = 'display' ) {
 	$term = (int) $term;
@@ -466,14 +432,13 @@
  * 
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
+ * @uses sanitize_term() Passes the return value on success
+ *
  * @param int|object $id Term ID or Object
  * @param string $taxonomy Taxonomy Name
- * @return mixed @see sanitize_term()
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @return mixed|null|WP_Error Will return empty string if $term is not an object.
  */
 function get_term_to_edit( $id, $taxonomy ) {
 	$term = get_term( $id, $taxonomy );
@@ -488,20 +453,51 @@
 }
 
 /**
- * get_terms() - 
+ * get_terms() - Retrieve the terms in taxonomy or list of taxonomies.
  *
- * 
- * 
+ * You can fully inject any customizations to the query before it is sent, as well as control
+ * the output with a filter.
+ *
+ * The 'get_terms' filter will be called when the cache has the term and will pass the found
+ * term along with the array of $taxonomies and array of $args. This filter is also called
+ * before the array of terms is passed and will pass the array of terms, along with the $taxonomies
+ * and $args.
+ *
+ * The 'list_terms_exclusions' filter passes the compiled exclusions along with the $args.
+ *
+ * The list that $args can contain, which will overwrite the defaults.
+ * orderby - Default is 'name'. Can be name, count, or nothing (will use term_id).
+ * order - Default is ASC. Can use DESC.
+ * hide_empty - Default is true. Will not return empty $terms.
+ * fields - Default is all.
+ * slug - Any terms that has this value. Default is empty string.
+ * hierarchical - Whether to return hierarchical taxonomy. Default is true.
+ * name__like - Default is empty string.
+ *
+ * The argument 'pad_counts' will count all of the children along with the $terms.
+ *
+ * The 'get' argument allows for overwriting 'hide_empty' and 'child_of', which can be done by
+ * setting the value to 'all', instead of its default empty string value.
+ *
+ * The 'child_of' argument will be used if you use multiple taxonomy or the first $taxonomy
+ * isn't hierarchical or 'parent' isn't used. The default is 0, which will be translated to
+ * a false value. If 'child_of' is set, then 'child_of' value will be tested against
+ * $taxonomy to see if 'child_of' is contained within. Will return an empty array if test
+ * fails.
+ *
+ * If 'parent' is set, then it will be used to test against the first taxonomy. Much like
+ * 'child_of'. Will return an empty array if the test fails.
+ *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
+ * @uses $wpdb
+ * @uses wp_parse_args() Merges the defaults with those defined by $args and allows for strings.
+ *
  * @param string|array Taxonomy name or list of Taxonomy names
- * @param string|array $args ??
- * @return array List of Term Objects and their children.
- *
- * @internal
- *      This is all conjecture and might be partially or completely inaccurate.
+ * @param string|array $args The values of what to search for when returning terms
+ * @return array|WP_Error List of Term Objects and their children. Will return WP_Error, if any of $taxonomies do not exist.
  */
 function &get_terms($taxonomies, $args = '') {
 	global $wpdb;
@@ -683,9 +679,10 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global $wpdb Database Object
+ * @uses $wpdb
+ *
  * @param int|string $term The term to check
  * @param string $taxonomy The taxonomy name to use
  * @return mixed Get the term id or Term Object, if exists.
@@ -720,11 +717,13 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
+ * @uses sanitize_term_field Used to sanitize all fields in a term
+ *
  * @param array|object $term The term to check
  * @param string $taxonomy The taxonomy name to use
- * @param string $context Default is display
+ * @param string $context Default is 'display'.
  * @return array|object Term with all fields sanitized
  */
 function sanitize_term($term, $taxonomy, $context = 'display') {
@@ -745,15 +744,16 @@
 }
 
 /**
- * sanitize_term_field() - 
+ * sanitize_term_field() - {@internal Missing Short Description}}
  *
+ * {@internal Missing Long Description}}
  *
- *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global object $wpdb Database Object
+ * @uses $wpdb
+ *
  * @param string $field Term field to sanitize
  * @param string $value Search for this term value
  * @param int $term_id Term ID
@@ -800,15 +800,16 @@
 /**
  * wp_count_terms() - Count how many terms are in Taxonomy
  *
- * Default $args is 'ignore_empty' which can be @example 'ignore_empty=true' or
- * @example array('ignore_empty' => true); See @see wp_parse_args() for more
- * information on parsing $args.
+ * Default $args is 'ignore_empty' which can be <code>'ignore_empty=true'</code> or
+ * <code>array('ignore_empty' => true);</code>.
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
  *
- * @global object $wpdb Database Object
+ * @uses $wpdb
+ * @uses wp_parse_args() Turns strings into arrays and merges defaults into an array.
+ *
  * @param string $taxonomy Taxonomy name
  * @param array|string $args Overwrite defaults
  * @return int How many terms are in $taxonomy
@@ -829,16 +830,16 @@
 }
 
 /**
- * wp_delete_object_term_relationships() - 
+ * wp_delete_object_term_relationships() - {@internal Missing Short Description}}
  *
+ * {@internal Missing Long Description}}
  *
- *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global object $wpdb Database Object
- * @param int $object_id ??
+ * @param int $object_id The term Object Id that refers to the term
  * @param string|array $taxonomy List of Taxonomy Names or single Taxonomy name.
  */
 function wp_delete_object_term_relationships( $object_id, $taxonomies ) {
@@ -860,17 +861,17 @@
 /**
  * wp_delete_term() - Removes a term from the database.
  *
+ * {@internal Missing Long Description}}
  *
- *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global object $wpdb Database Object
  * @param int $term Term ID
  * @param string $taxonomy Taxonomy Name
  * @param array|string $args Change Default
- * @param bool Returns false if not term; true if completes delete action.
+ * @return bool Returns false if not term; true if completes delete action.
  */
 function wp_delete_term( $term, $taxonomy, $args = array() ) {
 	global $wpdb;
@@ -930,17 +931,17 @@
 /**
  * wp_get_object_terms() - Returns the terms associated with the given object(s), in the supplied taxonomies.
  *
- * 
+ * {@internal Missing Long Description}}
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
- * @param int|array $object_id The id of the object(s)) to retrieve for.
+ * @param int|array $object_id The id of the object(s)) to retrieve.
  * @param string|array $taxonomies The taxonomies to retrieve terms from.
  * @param array|string $args Change what is returned
- * @return array The requested term data.	 	 	 
+ * @return array|WP_Error The requested term data or empty array if no terms found. WP_Error if $taxonomy does not exist.
  */
 function wp_get_object_terms($object_ids, $taxonomies, $args = array()) {
 	global $wpdb;
@@ -998,17 +999,17 @@
 /**
  * wp_insert_term() - Adds a new term to the database. Optionally marks it as an alias of an existing term.
  *
- * 
+ * {@internal Missing Long Description}}
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
  * @param int|string $term The term to add or update.
  * @param string $taxonomy The taxonomy to which to add the term
  * @param array|string $args Change the values of the inserted term
- * @return array The Term ID and Term Taxonomy ID
+ * @return array|WP_Error The Term ID and Term Taxonomy ID
  */
 function wp_insert_term( $term, $taxonomy, $args = array() ) {
 	global $wpdb;
@@ -1083,21 +1084,21 @@
 }
 
 /**
- * wp_set_object_terms() - 
+ * wp_set_object_terms() - {@internal Missing Short Description}}
  * 
  * Relates an object (post, link etc) to a term and taxonomy type.  Creates the term and taxonomy
  * relationship if it doesn't already exist.  Creates a term if it doesn't exist (using the slug).
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
  * @param int $object_id The object to relate to.
  * @param array|int|string $term The slug or id of the term.
  * @param array|string $taxonomy The context in which to relate the term to the object.
  * @param bool $append If false will delete difference of terms.
- * @return array Affected Term IDs
+ * @return array|WP_Error Affected Term IDs
  */
 function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) {
 	global $wpdb;
@@ -1145,25 +1146,25 @@
 }
 
 /**
- * wp_unique_term_slug() - Will make @see $slug unique, if it isn't already
+ * wp_unique_term_slug() - Will make slug unique, if it isn't already
  * 
- * The @see $slug has to be unique global to every taxonomy, meaning that one taxonomy
+ * The $slug has to be unique global to every taxonomy, meaning that one taxonomy
  * term can't have a matching slug with another taxonomy term. Each slug has to be
  * globally unique for every taxonomy.
  *
  * The way this works is that if the taxonomy that the term belongs to is heirarchical
- * and has a parent, it will append that parent to the @see $slug.
+ * and has a parent, it will append that parent to the $slug.
  *
  * If that still doesn't return an unique slug, then it try to append a number until
  * it finds a number that is truely unique.
  * 
- * The only purpose for @see $term is for appending a parent, if one exists.
+ * The only purpose for $term is for appending a parent, if one exists.
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
  * @param string $slug The string that will be tried for a unique slug
  * @param object $term The term object that the $slug will belong too
  * @return string Will return a true unique slug.
@@ -1201,15 +1202,15 @@
 }
 
 /**
- * wp_update_term() - 
- * 
- * 
+ * wp_update_term() - {@internal Missing Short Description}}
  *
+ * {@internal Missing Long Description}}
+ *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
  * @param int $term The ID of the term
  * @param string $taxonomy The context in which to relate the term to the object.
  * @param array|string $args Overwrite defaults
@@ -1300,9 +1301,9 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Term 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
  * @param int|array $terms The ID of the terms
  * @param string $taxonomy The context of the term.
  * @return bool If no terms will return false, and if successful will return true.
@@ -1340,19 +1341,18 @@
 //
 
 /**
- * clean_object_term_cache() - 
- * 
- * 
+ * clean_object_term_cache() - {@internal Missing Short Description}}
  *
+ * {@internal Missing Long Description}}
+ *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Cache 
+ * @since 2.3
  *
- * @global $object_term_cache 
- * @global $blog_id The id of the blog, in case there is more than one blog using the library.
- * @param int|array $object_ids 
- * @param string $object_type @see get_object_taxonomies
- * @return null
+ * @see get_object_taxonomies() for more on $object_type
+ *
+ * @param int|array $object_ids {@internal Missing Description}}
+ * @param string $object_type {@internal Missing Description}}
  */
 function clean_object_term_cache($object_ids, $object_type) {
 	if ( !is_array($object_ids) )
@@ -1365,19 +1365,17 @@
 }
 
 /**
- * clean_term_cache() - 
- * 
- * 
+ * clean_term_cache() - {@internal Missing Short Description}}
  *
+ * {@internal Missing Long Description}}
+ *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Cache 
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $object_term_cache 
- * @global $blog_id The id of the blog, in case there is more than one blog using the library.
- * @param int|array $ids 
+ * @param int|array $ids {@internal Missing Description}}
  * @param string $taxonomy Can be empty and will assume tt_ids, else will use for context.
- * @return null
  */
 function clean_term_cache($ids, $taxonomy = '') {
 	global $wpdb;
@@ -1413,6 +1411,19 @@
 	do_action('clean_term_cache', $ids, $taxonomy);
 }
 
+/**
+ * get_object_term_cache() - {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 2.3
+ *
+ * @param int|array $ids {@internal Missing Description}}
+ * @param string $taxonomy {@internal Missing Description}}
+ * @return bool|array Empty array if $terms found, but not $taxonomy. False if nothing is in cache for $taxonomy and $id.
+ */
 function &get_object_term_cache($id, $taxonomy) {
 	$terms = wp_cache_get($id, 'object_terms');
 	if ( false !== $terms ) {
@@ -1425,6 +1436,20 @@
 	return false;
 }
 
+/**
+ * get_object_term_cache() - {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 2.3
+ * @uses $wpdb
+ *
+ * @param string|array $object_ids {@internal Missing Description}}
+ * @param string $object_type {@internal Missing Description}}
+ * @return null|array Null value is given with empty $object_ids.
+ */
 function update_object_term_cache($object_ids, $object_type) {
 	global $wpdb;
 
@@ -1460,6 +1485,16 @@
 		wp_cache_set($id, $value, 'object_terms');
 }
 
+/**
+ * update_term_cache() - Updates Terms to Taxonomy in cache.
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 2.3
+ *
+ * @param array $terms List of Term objects to change
+ * @param string $taxonomy Optional. Update Term to this taxonomy in cache
+ */
 function update_term_cache($terms, $taxonomy = '') {
 	foreach ( $terms as $term ) {
 		$term_taxonomy = $taxonomy;
@@ -1474,6 +1509,19 @@
 // Private
 //
 
+/**
+ * _get_term_hierarchy() - Retrieves children of taxonomy
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @access private
+ * @since 2.3
+ *
+ * @param string $taxonomy {@internal Missing Description}}
+ * @return array Empty if $taxonomy isn't hierarachical or returns children.
+ */
 function _get_term_hierarchy($taxonomy) {
 	if ( !is_taxonomy_hierarchical($taxonomy) )
 		return array();
@@ -1493,7 +1541,6 @@
 }
 
 /**
- * @access private
  * _get_term_children() - Get array of child terms
  * 
  * If $terms is an array of objects, then objects will returned from the function.
@@ -1501,11 +1548,13 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
+ * @access private
+ * @since 2.3
  *
  * @param int $term_id Look for this Term ID in $terms
  * @param array $terms List of Term IDs
  * @param string $taxonomy Term Context
- * @return array 
+ * @return array Empty if $terms is empty else returns full list of child terms.
  */
 function &_get_term_children($term_id, $terms, $taxonomy) {
 	if ( empty($terms) )
@@ -1547,7 +1596,6 @@
 }
 
 /**
- * @access private
  * _pad_term_counts() - Add count of children to parent count
  * 
  * Recalculates term counts by including items from child terms.
@@ -1555,9 +1603,13 @@
  *
  * @package WordPress
  * @subpackage Taxonomy
+ * @access private
+ * @since 2.3
+ * @uses $wpdb
  *
  * @param array $terms List of Term IDs
  * @param string $taxonomy Term Context
+ * @return null Will break from function if conditions are not met.
  */
 function _pad_term_counts(&$terms, $taxonomy) {
 	global $wpdb;
@@ -1607,16 +1659,16 @@
 //
 
 /**
- * @access private
  * _update_post_term_count() - Will update term count based on posts
  * 
  * Private function for the default callback for post_tag and category taxonomies.
  *
  * @package WordPress
  * @subpackage Taxonomy
- * @category Callback 
+ * @access private
+ * @since 2.3
+ * @uses $wpdb
  *
- * @global $wpdb Database Object
  * @param array $terms List of Term IDs
  */
 function _update_post_term_count( $terms ) {
