Index: src/wp-admin/custom-background.php
===================================================================
--- src/wp-admin/custom-background.php	(revision 44654)
+++ src/wp-admin/custom-background.php	(working copy)
@@ -293,7 +293,7 @@
 <td>
 <form method="post">
 			<?php wp_nonce_field( 'custom-background-remove', '_wpnonce-custom-background-remove' ); ?>
-			<?php submit_button( __( 'Remove Background Image' ), '', 'remove-background', false ); ?><br/>
+			<?php submit_button( __( 'Remove Background Image' ), '', 'remove-background', false ); ?><br />
 			<?php _e( 'This will remove the background image. You will not be able to restore any customizations.' ); ?>
 </form>
 </td>
@@ -307,7 +307,7 @@
 <td>
 <form method="post">
 			<?php wp_nonce_field( 'custom-background-reset', '_wpnonce-custom-background-reset' ); ?>
-			<?php submit_button( __( 'Restore Original Image' ), '', 'reset-background', false ); ?><br/>
+			<?php submit_button( __( 'Restore Original Image' ), '', 'reset-background', false ); ?><br />
 			<?php _e( 'This will restore the original background image. You will not be able to restore any customizations.' ); ?>
 </form>
 </td>
Index: src/wp-admin/edit-comments.php
===================================================================
--- src/wp-admin/edit-comments.php	(revision 44654)
+++ src/wp-admin/edit-comments.php	(working copy)
@@ -321,7 +321,7 @@
 			}
 		}
 
-		echo '<div id="moderated" class="updated notice is-dismissible"><p>' . implode( "<br/>\n", $messages ) . '</p></div>';
+		echo '<div id="moderated" class="updated notice is-dismissible"><p>' . implode( "<br />\n", $messages ) . '</p></div>';
 	}
 }
 ?>
Index: src/wp-admin/includes/class-wp-filesystem-base.php
===================================================================
--- src/wp-admin/includes/class-wp-filesystem-base.php	(revision 44654)
+++ src/wp-admin/includes/class-wp-filesystem-base.php	(working copy)
@@ -249,7 +249,7 @@
 
 		if ( $this->verbose ) {
 			/* translators: 1: folder to locate, 2: folder to start searching from */
-			printf( "\n" . __( 'Looking for %1$s in %2$s' ) . "<br/>\n", $folder, $base );
+			printf( "\n" . __( 'Looking for %1$s in %2$s' ) . "<br />\n", $folder, $base );
 		}
 
 		$folder_parts     = explode( '/', $folder );
@@ -277,7 +277,7 @@
 				$newdir = trailingslashit( path_join( $base, $key ) );
 				if ( $this->verbose ) {
 					/* translators: %s: directory name */
-					printf( "\n" . __( 'Changing to %s' ) . "<br/>\n", $newdir );
+					printf( "\n" . __( 'Changing to %s' ) . "<br />\n", $newdir );
 				}
 
 				// Only search for the remaining path tokens in the directory, not the full path again.
@@ -293,7 +293,7 @@
 		if ( isset( $files[ $last_path ] ) ) {
 			if ( $this->verbose ) {
 				/* translators: %s: directory name */
-				printf( "\n" . __( 'Found %s' ) . "<br/>\n", $base . $last_path );
+				printf( "\n" . __( 'Found %s' ) . "<br />\n", $base . $last_path );
 			}
 			return trailingslashit( $base . $last_path );
 		}
Index: src/wp-admin/includes/class-wp-ms-users-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-ms-users-list-table.php	(revision 44654)
+++ src/wp-admin/includes/class-wp-ms-users-list-table.php	(working copy)
@@ -380,7 +380,7 @@
 				$sep = ( $i == $action_count ) ? '' : ' | ';
 				echo "<span class='$action'>$link$sep</span>";
 			}
-			echo '</small></span><br/>';
+			echo '</small></span><br />';
 		}
 	}
 
Index: src/wp-admin/includes/class-wp-plugins-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-plugins-list-table.php	(revision 44654)
+++ src/wp-admin/includes/class-wp-plugins-list-table.php	(working copy)
@@ -608,7 +608,7 @@
 			$dropins     = _get_dropins();
 			$plugin_name = $plugin_file;
 			if ( $plugin_file != $plugin_data['Name'] ) {
-				$plugin_name .= '<br/>' . $plugin_data['Name'];
+				$plugin_name .= '<br />' . $plugin_data['Name'];
 			}
 			if ( true === ( $dropins[ $plugin_file ][1] ) ) { // Doesn't require a constant
 				$is_active   = true;
Index: src/wp-admin/install.php
===================================================================
--- src/wp-admin/install.php	(revision 44654)
+++ src/wp-admin/install.php	(working copy)
@@ -191,7 +191,7 @@
 					if ( has_action( 'blog_privacy_selector' ) ) {
 						?>
 						<input id="blog-public" type="radio" name="blog_public" value="1" <?php checked( 1, $blog_public ); ?> />
-						<label for="blog-public"><?php _e( 'Allow search engines to index this site' ); ?></label><br/>
+						<label for="blog-public"><?php _e( 'Allow search engines to index this site' ); ?></label><br />
 						<input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
 						<label for="blog-norobots"><?php _e( 'Discourage search engines from indexing this site' ); ?></label>
 						<p class="description"><?php _e( 'Note: Neither of these options blocks access to your site &mdash; it is up to search engines to honor your request.' ); ?></p>
Index: src/wp-admin/network/settings.php
===================================================================
--- src/wp-admin/network/settings.php	(revision 44654)
+++ src/wp-admin/network/settings.php	(working copy)
@@ -459,7 +459,7 @@
 				$fieldset_end = '</fieldset>';
 			}
 			foreach ( (array) $menu_items as $key => $val ) {
-				echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . ( isset( $menu_perms[ $key ] ) ? checked( $menu_perms[ $key ], '1', false ) : '' ) . ' /> ' . esc_html( $val ) . '</label><br/>';
+				echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . ( isset( $menu_perms[ $key ] ) ? checked( $menu_perms[ $key ], '1', false ) : '' ) . ' /> ' . esc_html( $val ) . '</label><br />';
 			}
 			echo $fieldset_end;
 			?>
Index: src/wp-admin/network/site-info.php
===================================================================
--- src/wp-admin/network/site-info.php	(revision 44654)
+++ src/wp-admin/network/site-info.php	(working copy)
@@ -195,7 +195,7 @@
 			<legend class="screen-reader-text"><?php _e( 'Set site attributes' ); ?></legend>
 			<?php foreach ( $attribute_fields as $field_key => $field_label ) : ?>
 				<label><input type="checkbox" name="blog[<?php echo $field_key; ?>]" value="1" <?php checked( (bool) $details->$field_key, true ); ?> <?php disabled( ! in_array( $details->$field_key, array( 0, 1 ) ) ); ?> />
-				<?php echo $field_label; ?></label><br/>
+				<?php echo $field_label; ?></label><br />
 			<?php endforeach; ?>
 			<fieldset>
 			</td>
Index: src/wp-admin/options-reading.php
===================================================================
--- src/wp-admin/options-reading.php	(revision 44654)
+++ src/wp-admin/options-reading.php	(working copy)
@@ -149,7 +149,7 @@
 <td><fieldset><legend class="screen-reader-text"><span><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?> </span></legend>
 <?php if ( has_action( 'blog_privacy_selector' ) ) : ?>
 	<input id="blog-public" type="radio" name="blog_public" value="1" <?php checked( '1', get_option( 'blog_public' ) ); ?> />
-	<label for="blog-public"><?php _e( 'Allow search engines to index this site' ); ?></label><br/>
+	<label for="blog-public"><?php _e( 'Allow search engines to index this site' ); ?></label><br />
 	<input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked( '0', get_option( 'blog_public' ) ); ?> />
 	<label for="blog-norobots"><?php _e( 'Discourage search engines from indexing this site' ); ?></label>
 	<p class="description"><?php _e( 'Note: Neither of these options blocks access to your site &mdash; it is up to search engines to honor your request.' ); ?></p>
Index: src/wp-includes/widgets/class-wp-widget-archives.php
===================================================================
--- src/wp-includes/widgets/class-wp-widget-archives.php	(revision 44654)
+++ src/wp-includes/widgets/class-wp-widget-archives.php	(working copy)
@@ -183,7 +183,7 @@
 		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" /></p>
 		<p>
 			<input class="checkbox" type="checkbox"<?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id( 'dropdown' ); ?>" name="<?php echo $this->get_field_name( 'dropdown' ); ?>" /> <label for="<?php echo $this->get_field_id( 'dropdown' ); ?>"><?php _e( 'Display as dropdown' ); ?></label>
-			<br/>
+			<br />
 			<input class="checkbox" type="checkbox"<?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" /> <label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Show post counts' ); ?></label>
 		</p>
 		<?php