X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/256a3b381f63716209b3527d0a14442ae570c283..refs/tags/wordpress-4.4:/wp-includes/script-loader.php

diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 6e3244f2..2ac34edc 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -45,13 +45,16 @@ require( ABSPATH . WPINC . '/functions.wp-styles.php' );
  *
  * @since 2.6.0
  *
- * @param object $scripts WP_Scripts object.
+ * @param WP_Scripts $scripts WP_Scripts object.
  */
 function wp_default_scripts( &$scripts ) {
-	include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
 
-	if ( ! defined( 'SCRIPT_DEBUG' ) )
-		define( 'SCRIPT_DEBUG', false !== strpos( $wp_version, '-src' ) );
+	$develop_src = false !== strpos( $wp_version, '-src' );
+
+	if ( ! defined( 'SCRIPT_DEBUG' ) ) {
+		define( 'SCRIPT_DEBUG', $develop_src );
+	}
 
 	if ( ! $guessurl = site_url() ) {
 		$guessed_url = true;
@@ -64,39 +67,65 @@ function wp_default_scripts( &$scripts ) {
 	$scripts->default_dirs = array('/wp-admin/js/', '/wp-includes/js/');
 
 	$suffix = SCRIPT_DEBUG ? '' : '.min';
+	$dev_suffix = $develop_src ? '' : '.min';
 
 	$scripts->add( 'utils', "/wp-includes/js/utils$suffix.js" );
 	did_action( 'init' ) && $scripts->localize( 'utils', 'userSettings', array(
 		'url' => (string) SITECOOKIEPATH,
 		'uid' => (string) get_current_user_id(),
 		'time' => (string) time(),
+		'secure' => (string) ( 'https' === parse_url( site_url(), PHP_URL_SCHEME ) ),
 	) );
 
 	$scripts->add( 'common', "/wp-admin/js/common$suffix.js", array('jquery', 'hoverIntent', 'utils'), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'common', 'commonL10n', array(
-		'warnDelete' => __("You are about to permanently delete the selected items.\n  'Cancel' to stop, 'OK' to delete.")
+		'warnDelete' => __( "You are about to permanently delete these items.\n  'Cancel' to stop, 'OK' to delete." ),
+		'dismiss'    => __( 'Dismiss this notice.' ),
 	) );
 
+	$scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$suffix.js", array( 'jquery' ), false, 1 );
+
 	$scripts->add( 'sack', "/wp-includes/js/tw-sack$suffix.js", array(), '1.6.1', 1 );
 
 	$scripts->add( 'quicktags', "/wp-includes/js/quicktags$suffix.js", array(), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'quicktags', 'quicktagsL10n', array(
-		'closeAllOpenTags' => esc_attr(__('Close all open tags')),
-		'closeTags' => esc_attr(__('close tags')),
-		'enterURL' => __('Enter the URL'),
-		'enterImageURL' => __('Enter the URL of the image'),
-		'enterImageDescription' => __('Enter a description of the image'),
-		'fullscreen' => __('fullscreen'),
-		'toggleFullscreen' => esc_attr( __('Toggle fullscreen mode') ),
-		'textdirection' => esc_attr( __('text direction') ),
-		'toggleTextdirection' => esc_attr( __('Toggle Editor Text Direction') )
+		'closeAllOpenTags'      => __( 'Close all open tags' ),
+		'closeTags'             => __( 'close tags' ),
+		'enterURL'              => __( 'Enter the URL' ),
+		'enterImageURL'         => __( 'Enter the URL of the image' ),
+		'enterImageDescription' => __( 'Enter a description of the image' ),
+		'textdirection'         => __( 'text direction' ),
+		'toggleTextdirection'   => __( 'Toggle Editor Text Direction' ),
+		'dfw'                   => __( 'Distraction-free writing mode' ),
+		'strong'          => __( 'Bold' ),
+		'strongClose'     => __( 'Close bold tag' ),
+		'em'              => __( 'Italic' ),
+		'emClose'         => __( 'Close italic tag' ),
+		'link'            => __( 'Insert link' ),
+		'blockquote'      => __( 'Blockquote' ),
+		'blockquoteClose' => __( 'Close blockquote tag' ),
+		'del'             => __( 'Deleted text (strikethrough)' ),
+		'delClose'        => __( 'Close deleted text tag' ),
+		'ins'             => __( 'Inserted text' ),
+		'insClose'        => __( 'Close inserted text tag' ),
+		'image'           => __( 'Insert image' ),
+		'ul'              => __( 'Bulleted list' ),
+		'ulClose'         => __( 'Close bulleted list tag' ),
+		'ol'              => __( 'Numbered list' ),
+		'olClose'         => __( 'Close numbered list tag' ),
+		'li'              => __( 'List item' ),
+		'liClose'         => __( 'Close list item tag' ),
+		'code'            => __( 'Code' ),
+		'codeClose'       => __( 'Close code tag' ),
+		'more'            => __( 'Insert Read More tag' ),
 	) );
 
 	$scripts->add( 'colorpicker', "/wp-includes/js/colorpicker$suffix.js", array('prototype'), '3517m' );
 
 	$scripts->add( 'editor', "/wp-admin/js/editor$suffix.js", array('utils','jquery'), false, 1 );
 
-	$scripts->add( 'wp-fullscreen', "/wp-admin/js/wp-fullscreen$suffix.js", array('jquery'), false, 1 );
+	// Back-compat for old DFW. To-do: remove at the end of 2016.
+	$scripts->add( 'wp-fullscreen-stub', "/wp-admin/js/wp-fullscreen-stub$suffix.js", array(), false, 1 );
 
 	$scripts->add( 'wp-ajax-response', "/wp-includes/js/wp-ajax-response$suffix.js", array('jquery'), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'wp-ajax-response', 'wpAjax', array(
@@ -109,77 +138,96 @@ function wp_default_scripts( &$scripts ) {
 		'dismiss' => __('Dismiss'),
 	) );
 
-	$scripts->add( 'autosave', "/wp-includes/js/autosave$suffix.js", array('schedule', 'wp-ajax-response'), false, 1 );
+	$scripts->add( 'autosave', "/wp-includes/js/autosave$suffix.js", array('heartbeat'), false, 1 );
 
 	$scripts->add( 'heartbeat', "/wp-includes/js/heartbeat$suffix.js", array('jquery'), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'heartbeat', 'heartbeatSettings',
+		/**
+		 * Filter the Heartbeat settings.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param array $settings Heartbeat settings array.
+		 */
 		apply_filters( 'heartbeat_settings', array() )
 	);
 
 	$scripts->add( 'wp-auth-check', "/wp-includes/js/wp-auth-check$suffix.js", array('heartbeat'), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'wp-auth-check', 'authcheckL10n', array(
 		'beforeunload' => __('Your session has expired. You can log in again from this page or go to the login page.'),
+
+		/**
+		 * Filter the authentication check interval.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param int $interval The interval in which to check a user's authentication.
+		 *                      Default 3 minutes in seconds, or 180.
+		 */
 		'interval' => apply_filters( 'wp_auth_check_interval', 3 * MINUTE_IN_SECONDS ),
 	) );
 
 	$scripts->add( 'wp-lists', "/wp-includes/js/wp-lists$suffix.js", array( 'wp-ajax-response', 'jquery-color' ), false, 1 );
 
 	// WordPress no longer uses or bundles Prototype or script.aculo.us. These are now pulled from an external source.
-	$scripts->add( 'prototype', '//ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js', array(), '1.7.1');
-	$scripts->add( 'scriptaculous-root', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/scriptaculous.js', array('prototype'), '1.9.0');
-	$scripts->add( 'scriptaculous-builder', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/builder.js', array('scriptaculous-root'), '1.9.0');
-	$scripts->add( 'scriptaculous-dragdrop', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.9.0');
-	$scripts->add( 'scriptaculous-effects', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/effects.js', array('scriptaculous-root'), '1.9.0');
-	$scripts->add( 'scriptaculous-slider', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/slider.js', array('scriptaculous-effects'), '1.9.0');
-	$scripts->add( 'scriptaculous-sound', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/sound.js', array( 'scriptaculous-root' ), '1.9.0' );
-	$scripts->add( 'scriptaculous-controls', '//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/controls.js', array('scriptaculous-root'), '1.9.0');
+	$scripts->add( 'prototype', 'https://ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js', array(), '1.7.1');
+	$scripts->add( 'scriptaculous-root', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/scriptaculous.js', array('prototype'), '1.9.0');
+	$scripts->add( 'scriptaculous-builder', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/builder.js', array('scriptaculous-root'), '1.9.0');
+	$scripts->add( 'scriptaculous-dragdrop', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.9.0');
+	$scripts->add( 'scriptaculous-effects', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/effects.js', array('scriptaculous-root'), '1.9.0');
+	$scripts->add( 'scriptaculous-slider', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/slider.js', array('scriptaculous-effects'), '1.9.0');
+	$scripts->add( 'scriptaculous-sound', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/sound.js', array( 'scriptaculous-root' ), '1.9.0' );
+	$scripts->add( 'scriptaculous-controls', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/controls.js', array('scriptaculous-root'), '1.9.0');
 	$scripts->add( 'scriptaculous', false, array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls') );
 
 	// not used in core, replaced by Jcrop.js
 	$scripts->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop') );
 
 	// jQuery
-	$scripts->add( 'jquery', false, array( 'jquery-core', 'jquery-migrate' ), '1.10.2' );
-	$scripts->add( 'jquery-core', '/wp-includes/js/jquery/jquery.js', array(), '1.10.2' );
+	$scripts->add( 'jquery', false, array( 'jquery-core', 'jquery-migrate' ), '1.11.3' );
+	$scripts->add( 'jquery-core', '/wp-includes/js/jquery/jquery.js', array(), '1.11.3' );
 	$scripts->add( 'jquery-migrate', "/wp-includes/js/jquery/jquery-migrate$suffix.js", array(), '1.2.1' );
 
 	// full jQuery UI
-	$scripts->add( 'jquery-ui-core', '/wp-includes/js/jquery/ui/jquery.ui.core.min.js', array('jquery'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-core', '/wp-includes/js/jquery/ui/jquery.ui.effect.min.js', array('jquery'), '1.10.3', 1 );
-
-	$scripts->add( 'jquery-effects-blind', '/wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-bounce', '/wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-clip', '/wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-drop', '/wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-explode', '/wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-fade', '/wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-fold', '/wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-highlight', '/wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-pulsate', '/wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-scale', '/wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-shake', '/wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-slide', '/wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-effects-transfer', '/wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js', array('jquery-effects-core'), '1.10.3', 1 );
-
-	$scripts->add( 'jquery-ui-accordion', '/wp-includes/js/jquery/ui/jquery.ui.accordion.min.js', array('jquery-ui-core', 'jquery-ui-widget'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-autocomplete', '/wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js', array('jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position', 'jquery-ui-menu'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-button', '/wp-includes/js/jquery/ui/jquery.ui.button.min.js', array('jquery-ui-core', 'jquery-ui-widget'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-datepicker', '/wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js', array('jquery-ui-core'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-dialog', '/wp-includes/js/jquery/ui/jquery.ui.dialog.min.js', array('jquery-ui-resizable', 'jquery-ui-draggable', 'jquery-ui-button', 'jquery-ui-position'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-draggable', '/wp-includes/js/jquery/ui/jquery.ui.draggable.min.js', array('jquery-ui-core', 'jquery-ui-mouse'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-droppable', '/wp-includes/js/jquery/ui/jquery.ui.droppable.min.js', array('jquery-ui-draggable'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-menu', '/wp-includes/js/jquery/ui/jquery.ui.menu.min.js', array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-mouse', '/wp-includes/js/jquery/ui/jquery.ui.mouse.min.js', array('jquery-ui-widget'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-position', '/wp-includes/js/jquery/ui/jquery.ui.position.min.js', array('jquery'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-progressbar', '/wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js', array('jquery-ui-widget'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-resizable', '/wp-includes/js/jquery/ui/jquery.ui.resizable.min.js', array('jquery-ui-core', 'jquery-ui-mouse'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-selectable', '/wp-includes/js/jquery/ui/jquery.ui.selectable.min.js', array('jquery-ui-core', 'jquery-ui-mouse'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-slider', '/wp-includes/js/jquery/ui/jquery.ui.slider.min.js', array('jquery-ui-core', 'jquery-ui-mouse'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-sortable', '/wp-includes/js/jquery/ui/jquery.ui.sortable.min.js', array('jquery-ui-core', 'jquery-ui-mouse'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-spinner', '/wp-includes/js/jquery/ui/jquery.ui.spinner.min.js', array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-button' ), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-tabs', '/wp-includes/js/jquery/ui/jquery.ui.tabs.min.js', array('jquery-ui-core', 'jquery-ui-widget'), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-tooltip', '/wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js', array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.10.3', 1 );
-	$scripts->add( 'jquery-ui-widget', '/wp-includes/js/jquery/ui/jquery.ui.widget.min.js', array('jquery'), '1.10.3', 1 );
+	$scripts->add( 'jquery-ui-core', "/wp-includes/js/jquery/ui/core$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-core', "/wp-includes/js/jquery/ui/effect$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+
+	$scripts->add( 'jquery-effects-blind', "/wp-includes/js/jquery/ui/effect-blind$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-bounce', "/wp-includes/js/jquery/ui/effect-bounce$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-clip', "/wp-includes/js/jquery/ui/effect-clip$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-drop', "/wp-includes/js/jquery/ui/effect-drop$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-explode', "/wp-includes/js/jquery/ui/effect-explode$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-fade', "/wp-includes/js/jquery/ui/effect-fade$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-fold', "/wp-includes/js/jquery/ui/effect-fold$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-highlight', "/wp-includes/js/jquery/ui/effect-highlight$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-puff', "/wp-includes/js/jquery/ui/effect-puff$dev_suffix.js", array('jquery-effects-core', 'jquery-effects-scale'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-pulsate', "/wp-includes/js/jquery/ui/effect-pulsate$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-scale', "/wp-includes/js/jquery/ui/effect-scale$dev_suffix.js", array('jquery-effects-core', 'jquery-effects-size'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-shake', "/wp-includes/js/jquery/ui/effect-shake$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-size', "/wp-includes/js/jquery/ui/effect-size$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-slide', "/wp-includes/js/jquery/ui/effect-slide$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-transfer', "/wp-includes/js/jquery/ui/effect-transfer$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+
+	$scripts->add( 'jquery-ui-accordion', "/wp-includes/js/jquery/ui/accordion$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-autocomplete', "/wp-includes/js/jquery/ui/autocomplete$dev_suffix.js", array('jquery-ui-menu'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-button', "/wp-includes/js/jquery/ui/button$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-datepicker', "/wp-includes/js/jquery/ui/datepicker$dev_suffix.js", array('jquery-ui-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-dialog', "/wp-includes/js/jquery/ui/dialog$dev_suffix.js", array('jquery-ui-resizable', 'jquery-ui-draggable', 'jquery-ui-button', 'jquery-ui-position'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-draggable', "/wp-includes/js/jquery/ui/draggable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-droppable', "/wp-includes/js/jquery/ui/droppable$dev_suffix.js", array('jquery-ui-draggable'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-menu', "/wp-includes/js/jquery/ui/menu$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-mouse', "/wp-includes/js/jquery/ui/mouse$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-position', "/wp-includes/js/jquery/ui/position$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-progressbar', "/wp-includes/js/jquery/ui/progressbar$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-resizable', "/wp-includes/js/jquery/ui/resizable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-selectable', "/wp-includes/js/jquery/ui/selectable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-selectmenu', "/wp-includes/js/jquery/ui/selectmenu$dev_suffix.js", array('jquery-ui-menu'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-slider', "/wp-includes/js/jquery/ui/slider$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-sortable', "/wp-includes/js/jquery/ui/sortable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-spinner', "/wp-includes/js/jquery/ui/spinner$dev_suffix.js", array( 'jquery-ui-button' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-tabs', "/wp-includes/js/jquery/ui/tabs$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-tooltip', "/wp-includes/js/jquery/ui/tooltip$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-widget', "/wp-includes/js/jquery/ui/widget$dev_suffix.js", array('jquery'), '1.11.4', 1 );
 
 	// deprecated, not used in core, most functionality is included in jQuery 1.3
 	$scripts->add( 'jquery-form', "/wp-includes/js/jquery/jquery.form$suffix.js", array('jquery'), '3.37.0', 1 );
@@ -193,7 +241,11 @@ function wp_default_scripts( &$scripts ) {
 	$scripts->add( 'jquery-hotkeys', "/wp-includes/js/jquery/jquery.hotkeys$suffix.js", array('jquery'), '0.0.2m', 1 );
 	$scripts->add( 'jquery-table-hotkeys', "/wp-includes/js/jquery/jquery.table-hotkeys$suffix.js", array('jquery', 'jquery-hotkeys'), false, 1 );
 	$scripts->add( 'jquery-touch-punch', "/wp-includes/js/jquery/jquery.ui.touch-punch.js", array('jquery-ui-widget', 'jquery-ui-mouse'), '0.2.2', 1 );
-	$scripts->add( 'jquery-masonry', "/wp-includes/js/jquery/jquery.masonry.min.js", array('jquery'), '2.1.05', 1 );
+
+	// Masonry v2 depended on jQuery. v3 does not. The older jquery-masonry handle is a shiv.
+	// It sets jQuery as a dependency, as the theme may have been implicitly loading it this way.
+	$scripts->add( 'masonry', "/wp-includes/js/masonry.min.js", array(), '3.1.2', 1 );
+	$scripts->add( 'jquery-masonry', "/wp-includes/js/jquery/jquery.masonry$dev_suffix.js", array( 'jquery', 'masonry' ), '3.1.2', 1 );
 
 	$scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20121105', 1 );
 	did_action( 'init' ) && $scripts->localize( 'thickbox', 'thickboxL10n', array(
@@ -210,12 +262,6 @@ function wp_default_scripts( &$scripts ) {
 
 	$scripts->add( 'swfobject', "/wp-includes/js/swfobject.js", array(), '2.2-20120417');
 
-	// common bits for both uploaders
-	$max_upload_size = ( (int) ( $max_up = @ini_get('upload_max_filesize') ) < (int) ( $max_post = @ini_get('post_max_size') ) ) ? $max_up : $max_post;
-
-	if ( empty($max_upload_size) )
-		$max_upload_size = __('not configured');
-
 	// error message for both plupload and swfupload
 	$uploader_l10n = array(
 		'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
@@ -242,19 +288,16 @@ function wp_default_scripts( &$scripts ) {
 		'error_uploading' => __('&#8220;%s&#8221; has failed to upload.')
 	);
 
-	$scripts->add( 'plupload', '/wp-includes/js/plupload/plupload.js', array(), '1.5.7' );
-	$scripts->add( 'plupload-html5', '/wp-includes/js/plupload/plupload.html5.js', array('plupload'), '1.5.7' );
-	$scripts->add( 'plupload-flash', '/wp-includes/js/plupload/plupload.flash.js', array('plupload'), '1.5.7' );
-	$scripts->add( 'plupload-silverlight', '/wp-includes/js/plupload/plupload.silverlight.js', array('plupload'), '1.5.7' );
-	$scripts->add( 'plupload-html4', '/wp-includes/js/plupload/plupload.html4.js', array('plupload'), '1.5.7' );
-
-	// cannot use the plupload.full.js, as it loads browserplus init JS from Yahoo
-	$scripts->add( 'plupload-all', false, array('plupload', 'plupload-html5', 'plupload-flash', 'plupload-silverlight', 'plupload-html4'), '1.5.7' );
+	$scripts->add( 'plupload', '/wp-includes/js/plupload/plupload.full.min.js', array(), '2.1.8' );
+	// Back compat handles:
+	foreach ( array( 'all', 'html5', 'flash', 'silverlight', 'html4' ) as $handle ) {
+		$scripts->add( "plupload-$handle", false, array( 'plupload' ), '2.1.1' );
+	}
 
-	$scripts->add( 'plupload-handlers', "/wp-includes/js/plupload/handlers$suffix.js", array('plupload-all', 'jquery') );
+	$scripts->add( 'plupload-handlers', "/wp-includes/js/plupload/handlers$suffix.js", array( 'plupload', 'jquery' ) );
 	did_action( 'init' ) && $scripts->localize( 'plupload-handlers', 'pluploadL10n', $uploader_l10n );
 
-	$scripts->add( 'wp-plupload', "/wp-includes/js/plupload/wp-plupload$suffix.js", array('plupload-all', 'jquery', 'json2', 'media-models'), false, 1 );
+	$scripts->add( 'wp-plupload', "/wp-includes/js/plupload/wp-plupload$suffix.js", array( 'plupload', 'jquery', 'json2', 'media-models' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'wp-plupload', 'pluploadL10n', $uploader_l10n );
 
 	// keep 'swfupload' for back-compat.
@@ -266,12 +309,13 @@ function wp_default_scripts( &$scripts ) {
 	$scripts->add( 'swfupload-handlers', "/wp-includes/js/swfupload/handlers$suffix.js", array('swfupload-all', 'jquery'), '2201-20110524');
 	did_action( 'init' ) && $scripts->localize( 'swfupload-handlers', 'swfuploadL10n', $uploader_l10n );
 
-	$scripts->add( 'comment-reply', "/wp-includes/js/comment-reply$suffix.js" );
+	$scripts->add( 'comment-reply', "/wp-includes/js/comment-reply$suffix.js", array(), false, 1 );
 
-	$scripts->add( 'json2', "/wp-includes/js/json2$suffix.js", array(), '2011-02-23');
+	$scripts->add( 'json2', "/wp-includes/js/json2$suffix.js", array(), '2015-05-03' );
+	did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', 'lt IE 8' );
 
-	$scripts->add( 'underscore', '/wp-includes/js/underscore.min.js', array(), '1.4.4', 1 );
-	$scripts->add( 'backbone', '/wp-includes/js/backbone.min.js', array('underscore','jquery'), '1.0.0', 1 );
+	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.6.0', 1 );
+	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore','jquery' ), '1.1.2', 1 );
 
 	$scripts->add( 'wp-util', "/wp-includes/js/wp-util$suffix.js", array('underscore', 'jquery'), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'wp-util', '_wpUtilSettings', array(
@@ -284,9 +328,9 @@ function wp_default_scripts( &$scripts ) {
 
 	$scripts->add( 'revisions', "/wp-admin/js/revisions$suffix.js", array( 'wp-backbone', 'jquery-ui-slider', 'hoverIntent' ), false, 1 );
 
-	$scripts->add( 'imgareaselect', "/wp-includes/js/imgareaselect/jquery.imgareaselect$suffix.js", array('jquery'), '0.9.10', 1 );
+	$scripts->add( 'imgareaselect', "/wp-includes/js/imgareaselect/jquery.imgareaselect$suffix.js", array('jquery'), false, 1 );
 
-	$scripts->add( 'mediaelement', "/wp-includes/js/mediaelement/mediaelement-and-player.min.js", array('jquery'), '2.13.0', 1 );
+	$scripts->add( 'mediaelement', "/wp-includes/js/mediaelement/mediaelement-and-player.min.js", array('jquery'), '2.18.1', 1 );
 	did_action( 'init' ) && $scripts->localize( 'mediaelement', 'mejsL10n', array(
 		'language' => get_bloginfo( 'language' ),
 		'strings'  => array(
@@ -307,9 +351,22 @@ function wp_default_scripts( &$scripts ) {
 
 
 	$scripts->add( 'wp-mediaelement', "/wp-includes/js/mediaelement/wp-mediaelement.js", array('mediaelement'), false, 1 );
-	did_action( 'init' ) && $scripts->localize( 'wp-mediaelement', '_wpmejsSettings', array(
+	$mejs_settings = array(
 		'pluginPath' => includes_url( 'js/mediaelement/', 'relative' ),
-	) );
+	);
+	did_action( 'init' ) && $scripts->localize( 'mediaelement', '_wpmejsSettings',
+		/**
+		 * Filter the MediaElement configuration settings.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $mejs_settings MediaElement settings array.
+		 */
+		apply_filters( 'mejs_settings', $mejs_settings )
+	);
+
+	$scripts->add( 'froogaloop',  "/wp-includes/js/mediaelement/froogaloop.min.js", array(), '2.0' );
+	$scripts->add( 'wp-playlist', "/wp-includes/js/mediaelement/wp-playlist.js", array( 'wp-util', 'backbone', 'mediaelement' ), false, 1 );
 
 	$scripts->add( 'zxcvbn-async', "/wp-includes/js/zxcvbn-async$suffix.js", array(), '1.0' );
 	did_action( 'init' ) && $scripts->localize( 'zxcvbn-async', '_zxcvbnSettings', array(
@@ -318,61 +375,84 @@ function wp_default_scripts( &$scripts ) {
 
 	$scripts->add( 'password-strength-meter', "/wp-admin/js/password-strength-meter$suffix.js", array( 'jquery', 'zxcvbn-async' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'password-strength-meter', 'pwsL10n', array(
-		'empty' => __('Strength indicator'),
-		'short' => __('Very weak'),
-		'bad' => __('Weak'),
-		/* translators: password strength */
-		'good' => _x('Medium', 'password strength'),
-		'strong' => __('Strong'),
-		'mismatch' => __('Mismatch')
+		'short'    => _x( 'Very weak', 'password strength' ),
+		'bad'      => _x( 'Weak', 'password strength' ),
+		'good'     => _x( 'Medium', 'password strength' ),
+		'strong'   => _x( 'Strong', 'password strength' ),
+		'mismatch' => _x( 'Mismatch', 'password mismatch' ),
+	) );
+
+	$scripts->add( 'user-profile', "/wp-admin/js/user-profile$suffix.js", array( 'jquery', 'password-strength-meter', 'wp-util' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'user-profile', 'userProfileL10n', array(
+		'warn'     => __( 'Your new password has not been saved.' ),
+		'show'     => __( 'Show' ),
+		'hide'     => __( 'Hide' ),
+		'cancel'   => __( 'Cancel' ),
+		'ariaShow' => esc_attr__( 'Show password' ),
+		'ariaHide' => esc_attr__( 'Hide password' ),
 	) );
 
-	$scripts->add( 'user-profile', "/wp-admin/js/user-profile$suffix.js", array( 'jquery', 'password-strength-meter' ), false, 1 );
+	$scripts->add( 'language-chooser', "/wp-admin/js/language-chooser$suffix.js", array( 'jquery' ), false, 1 );
 
 	$scripts->add( 'user-suggest', "/wp-admin/js/user-suggest$suffix.js", array( 'jquery-ui-autocomplete' ), false, 1 );
 
 	$scripts->add( 'admin-bar', "/wp-includes/js/admin-bar$suffix.js", array(), false, 1 );
 
-	$scripts->add( 'wplink', "/wp-includes/js/wplink$suffix.js", array( 'jquery', 'wpdialogs' ), false, 1 );
+	$scripts->add( 'wplink', "/wp-includes/js/wplink$suffix.js", array( 'jquery' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'wplink', 'wpLinkL10n', array(
 		'title' => __('Insert/edit link'),
 		'update' => __('Update'),
 		'save' => __('Add Link'),
 		'noTitle' => __('(no title)'),
-		'noMatchesFound' => __('No matches found.')
+		'noMatchesFound' => __('No results found.')
 	) );
 
-	$scripts->add( 'wpdialogs', "/wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog$suffix.js", array( 'jquery-ui-dialog' ), false, 1 );
-
-	$scripts->add( 'wpdialogs-popup', "/wp-includes/js/tinymce/plugins/wpdialogs/js/popup$suffix.js", array( 'wpdialogs' ), false, 1 );
+	$scripts->add( 'wpdialogs', "/wp-includes/js/wpdialog$suffix.js", array( 'jquery-ui-dialog' ), false, 1 );
 
-	$scripts->add( 'word-count', "/wp-admin/js/word-count$suffix.js", array( 'jquery' ), false, 1 );
+	$scripts->add( 'word-count', "/wp-admin/js/word-count$suffix.js", array(), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'word-count', 'wordCountL10n', array(
-		/* translators: If your word count is based on single characters (East Asian characters),
-		   enter 'characters'. Otherwise, enter 'words'. Do not translate into your own language. */
-		'type' => 'characters' == _x( 'words', 'word count: words or characters?' ) ? 'c' : 'w',
+		/*
+		 * translators: If your word count is based on single characters (e.g. East Asian characters),
+		 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
+		 * Do not translate into your own language.
+		 */
+		'type' => _x( 'words', 'Word count type. Do not translate!' ),
+		'shortcodes' => ! empty( $GLOBALS['shortcode_tags'] ) ? array_keys( $GLOBALS['shortcode_tags'] ) : array()
 	) );
 
 	$scripts->add( 'media-upload', "/wp-admin/js/media-upload$suffix.js", array( 'thickbox', 'shortcode' ), false, 1 );
 
-	$scripts->add( 'hoverIntent', "/wp-includes/js/hoverIntent$suffix.js", array('jquery'), 'r7', 1 );
+	$scripts->add( 'hoverIntent', "/wp-includes/js/hoverIntent$suffix.js", array('jquery'), '1.8.1', 1 );
 
-	$scripts->add( 'customize-base',     "/wp-includes/js/customize-base$suffix.js",     array( 'jquery', 'json2' ), false, 1 );
+	$scripts->add( 'customize-base',     "/wp-includes/js/customize-base$suffix.js",     array( 'jquery', 'json2', 'underscore' ), false, 1 );
 	$scripts->add( 'customize-loader',   "/wp-includes/js/customize-loader$suffix.js",   array( 'customize-base' ), false, 1 );
 	$scripts->add( 'customize-preview',  "/wp-includes/js/customize-preview$suffix.js",  array( 'customize-base' ), false, 1 );
-	$scripts->add( 'customize-controls', "/wp-admin/js/customize-controls$suffix.js", array( 'customize-base' ), false, 1 );
+	$scripts->add( 'customize-models',   "/wp-includes/js/customize-models.js", array( 'underscore', 'backbone' ), false, 1 );
+	$scripts->add( 'customize-views',    "/wp-includes/js/customize-views.js",  array( 'jquery', 'underscore', 'imgareaselect', 'customize-models', 'media-editor', 'media-views' ), false, 1 );
+	$scripts->add( 'customize-controls', "/wp-admin/js/customize-controls$suffix.js", array( 'customize-base', 'wp-a11y' ), false, 1 );
 	did_action( 'init' ) && $scripts->localize( 'customize-controls', '_wpCustomizeControlsL10n', array(
-		'activate'  => __( 'Save &amp; Activate' ),
-		'save'      => __( 'Save &amp; Publish' ),
-		'saved'     => __( 'Saved' ),
-		'cancel'    => __( 'Cancel' ),
-		'close'     => __( 'Close' ),
-		'cheatin'   => __( 'Cheatin&#8217; uh?' ),
-
+		'activate'           => __( 'Save &amp; Activate' ),
+		'save'               => __( 'Save &amp; Publish' ),
+		'saveAlert'          => __( 'The changes you made will be lost if you navigate away from this page.' ),
+		'saved'              => __( 'Saved' ),
+		'cancel'             => __( 'Cancel' ),
+		'close'              => __( 'Close' ),
+		'cheatin'            => __( 'Cheatin&#8217; uh?' ),
+		'notAllowed'         => __( 'You are not allowed to customize the appearance of this site.' ),
+		'previewIframeTitle' => __( 'Site Preview' ),
+		'loginIframeTitle'   => __( 'Session expired' ),
+		'collapseSidebar'    => __( 'Collapse Sidebar' ),
+		'expandSidebar'      => __( 'Expand Sidebar' ),
 		// Used for overriding the file types allowed in plupload.
-		'allowedFiles' => __( 'Allowed Files' ),
+		'allowedFiles'       => __( 'Allowed Files' ),
 	) );
 
+	$scripts->add( 'customize-widgets', "/wp-admin/js/customize-widgets$suffix.js", array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-droppable', 'wp-backbone', 'customize-controls' ), false, 1 );
+	$scripts->add( 'customize-preview-widgets', "/wp-includes/js/customize-preview-widgets$suffix.js", array( 'jquery', 'wp-util', 'customize-preview' ), false, 1 );
+
+	$scripts->add( 'customize-nav-menus', "/wp-admin/js/customize-nav-menus$suffix.js", array( 'jquery', 'wp-backbone', 'customize-controls', 'accordion', 'nav-menu' ), false, 1 );
+	$scripts->add( 'customize-preview-nav-menus', "/wp-includes/js/customize-preview-nav-menus$suffix.js", array( 'jquery', 'wp-util', 'customize-preview' ), false, 1 );
+
 	$scripts->add( 'accordion', "/wp-admin/js/accordion$suffix.js", array( 'jquery' ), false, 1 );
 
 	$scripts->add( 'shortcode', "/wp-includes/js/shortcode$suffix.js", array( 'underscore' ), false, 1 );
@@ -384,14 +464,17 @@ function wp_default_scripts( &$scripts ) {
 		),
 	) );
 
+	$scripts->add( 'wp-embed', "/wp-includes/js/wp-embed$suffix.js" );
+
 	// To enqueue media-views or media-editor, call wp_enqueue_media().
 	// Both rely on numerous settings, styles, and templates to operate correctly.
-	$scripts->add( 'media-views',  "/wp-includes/js/media-views$suffix.js",  array( 'utils', 'media-models', 'wp-plupload', 'jquery-ui-sortable' ), false, 1 );
+	$scripts->add( 'media-views',  "/wp-includes/js/media-views$suffix.js",  array( 'utils', 'media-models', 'wp-plupload', 'jquery-ui-sortable', 'wp-mediaelement' ), false, 1 );
 	$scripts->add( 'media-editor', "/wp-includes/js/media-editor$suffix.js", array( 'shortcode', 'media-views' ), false, 1 );
-	$scripts->add( 'mce-view', "/wp-includes/js/mce-view$suffix.js", array( 'shortcode', 'media-models' ), false, 1 );
+	$scripts->add( 'media-audiovideo', "/wp-includes/js/media-audiovideo$suffix.js", array( 'media-editor' ), false, 1 );
+	$scripts->add( 'mce-view', "/wp-includes/js/mce-view$suffix.js", array( 'shortcode', 'jquery', 'media-views', 'media-audiovideo' ), false, 1 );
 
 	if ( is_admin() ) {
-		$scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array('jquery', 'wp-ajax-response'), false, 1 );
+		$scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array( 'jquery', 'wp-ajax-response' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'admin-tags', 'tagsl10n', array(
 			'noPerm' => __('You do not have permission to do that.'),
 			'broken' => __('An unidentified error has occurred.')
@@ -402,14 +485,23 @@ function wp_default_scripts( &$scripts ) {
 			'hotkeys_highlight_first' => isset($_GET['hotkeys_highlight_first']),
 			'hotkeys_highlight_last' => isset($_GET['hotkeys_highlight_last']),
 			'replyApprove' => __( 'Approve and Reply' ),
-			'reply' => __( 'Reply' )
+			'reply' => __( 'Reply' ),
+			'warnQuickEdit' => __( "Are you sure you want to edit this comment?\nThe changes you made will be lost." ),
+			'docTitleComments' => __( 'Comments' ),
+			/* translators: %s: comments count */
+			'docTitleCommentsCount' => __( 'Comments (%s)' ),
 		) );
 
 		$scripts->add( 'xfn', "/wp-admin/js/xfn$suffix.js", array('jquery'), false, 1 );
 
 		$scripts->add( 'postbox', "/wp-admin/js/postbox$suffix.js", array('jquery-ui-sortable'), false, 1 );
 
-		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array('suggest', 'wp-lists', 'postbox', 'heartbeat'), false, 1 );
+		$scripts->add( 'tags-box', "/wp-admin/js/tags-box$suffix.js", array( 'jquery', 'suggest' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'tags-box', 'tagsBoxL10n', array(
+			'tagDelimiter' => _x( ',', 'tag delimiter' ),
+		) );
+
+		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'post', 'postL10n', array(
 			'ok' => __('OK'),
 			'cancel' => __('Cancel'),
@@ -417,7 +509,7 @@ function wp_default_scripts( &$scripts ) {
 			'publishOnFuture' =>  __('Schedule for:'),
 			'publishOnPast' => __('Published on:'),
 			/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
-			'dateFormat' => __('%1$s %2$s, %3$s @ %4$s : %5$s'),
+			'dateFormat' => __('%1$s %2$s, %3$s @ %4$s:%5$s'),
 			'showcomm' => __('Show more comments'),
 			'endcomm' => __('No more comments found.'),
 			'publish' => __('Publish'),
@@ -431,38 +523,52 @@ function wp_default_scripts( &$scripts ) {
 			'password' => __('Password Protected'),
 			'privatelyPublished' => __('Privately Published'),
 			'published' => __('Published'),
-			'comma' => _x( ',', 'tag delimiter' ),
+			'saveAlert' => __('The changes you made will be lost if you navigate away from this page.'),
+			'savingText' => __('Saving Draft&#8230;'),
+			'permalinkSaved' => __( 'Permalink saved' ),
 		) );
 
+		$scripts->add( 'press-this', "/wp-admin/js/press-this$suffix.js", array( 'jquery', 'tags-box' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'press-this', 'pressThisL10n', array(
+			'newPost' => __( 'Title' ),
+			'serverError' => __( 'Connection lost or the server is busy. Please try again later.' ),
+			'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
+			/* translators: %d: nth embed found in a post */
+			'suggestedEmbedAlt' => __( 'Suggested embed #%d' ),
+			/* translators: %d: nth image found in a post */
+			'suggestedImgAlt' => __( 'Suggested image #%d' ),
+		) );
+
+		$scripts->add( 'editor-expand', "/wp-admin/js/editor-expand$suffix.js", array( 'jquery' ), false, 1 );
+
 		$scripts->add( 'link', "/wp-admin/js/link$suffix.js", array( 'wp-lists', 'postbox' ), false, 1 );
 
 		$scripts->add( 'comment', "/wp-admin/js/comment$suffix.js", array( 'jquery', 'postbox' ) );
 		$scripts->add_data( 'comment', 'group', 1 );
 		did_action( 'init' ) && $scripts->localize( 'comment', 'commentL10n', array(
-			'submittedOn' => __('Submitted on:')
+			'submittedOn' => __( 'Submitted on:' ),
+			/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
+			'dateFormat' => __( '%1$s %2$s, %3$s @ %4$s:%5$s' )
 		) );
 
 		$scripts->add( 'admin-gallery', "/wp-admin/js/gallery$suffix.js", array( 'jquery-ui-sortable' ) );
 
 		$scripts->add( 'admin-widgets', "/wp-admin/js/widgets$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable' ), false, 1 );
 
-		$scripts->add( 'theme', "/wp-admin/js/theme$suffix.js", array( 'wp-backbone' ), false, 1 );
-		$scripts->add( 'theme-install', "/wp-admin/js/theme-install$suffix.js", array( 'jquery' ), false, 1 );
-
-		// @todo: Core no longer uses theme-preview.js. Remove?
-		$scripts->add( 'theme-preview', "/wp-admin/js/theme-preview$suffix.js", array( 'thickbox', 'jquery' ), false, 1 );
+		$scripts->add( 'theme', "/wp-admin/js/theme$suffix.js", array( 'wp-backbone', 'wp-a11y' ), false, 1 );
 
-		$scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'suggest', 'heartbeat' ), false, 1 );
+		$scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'suggest' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'inline-edit-post', 'inlineEditL10n', array(
 			'error' => __('Error while saving the changes.'),
 			'ntdeltitle' => __('Remove From Bulk Edit'),
 			'notitle' => __('(no title)'),
-			'comma' => _x( ',', 'tag delimiter' ),
+			'comma' => trim( _x( ',', 'tag delimiter' ) ),
 		) );
 
-		$scripts->add( 'inline-edit-tax', "/wp-admin/js/inline-edit-tax$suffix.js", array( 'jquery' ), false, 1 );
+		$scripts->add( 'inline-edit-tax', "/wp-admin/js/inline-edit-tax$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'inline-edit-tax', 'inlineEditL10n', array(
-			'error' => __('Error while saving the changes.')
+			'error' => __( 'Error while saving the changes.' ),
+			'saved' => __( 'Changes saved.' ),
 		) );
 
 		$scripts->add( 'plugin-install', "/wp-admin/js/plugin-install$suffix.js", array( 'jquery', 'thickbox' ), false, 1 );
@@ -471,9 +577,34 @@ function wp_default_scripts( &$scripts ) {
 			'ays' => __('Are you sure you want to install this plugin?')
 		) );
 
+		$scripts->add( 'updates', "/wp-admin/js/updates$suffix.js", array( 'jquery', 'wp-util', 'wp-a11y' ) );
+		did_action( 'init' ) && $scripts->localize( 'updates', '_wpUpdatesSettings', array(
+			'ajax_nonce' => wp_create_nonce( 'updates' ),
+			'l10n'       => array(
+				'updating'          => __( 'Updating...' ), // no ellipsis
+				'updated'           => __( 'Updated!' ),
+				'updateFailedShort' => __( 'Update Failed!' ),
+				/* translators: Error string for a failed update */
+				'updateFailed'      => __( 'Update Failed: %s' ),
+				/* translators: Plugin name and version */
+				'updatingLabel'     => __( 'Updating %s...' ), // no ellipsis
+				/* translators: Plugin name and version */
+				'updatedLabel'      => __( '%s updated!' ),
+				/* translators: Plugin name and version */
+				'updateFailedLabel' => __( '%s update failed' ),
+				/* translators: JavaScript accessible string */
+				'updatingMsg'       => __( 'Updating... please wait.' ), // no ellipsis
+				/* translators: JavaScript accessible string */
+				'updatedMsg'        => __( 'Update completed successfully.' ),
+				/* translators: JavaScript accessible string */
+				'updateCancel'      => __( 'Update canceled.' ),
+				'beforeunload'      => __( 'Plugin updates may not complete if you navigate away from this page.' ),
+			)
+		) );
+
 		$scripts->add( 'farbtastic', '/wp-admin/js/farbtastic.js', array('jquery'), '1.2' );
 
-		$scripts->add( 'iris', '/wp-admin/js/iris.min.js', array( 'jquery-ui-draggable', 'jquery-ui-slider', 'jquery-touch-punch' ), false, 1 );
+		$scripts->add( 'iris', '/wp-admin/js/iris.min.js', array( 'jquery-ui-draggable', 'jquery-ui-slider', 'jquery-touch-punch' ), '1.0.7', 1 );
 		$scripts->add( 'wp-color-picker', "/wp-admin/js/color-picker$suffix.js", array( 'iris' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'wp-color-picker', 'wpColorPickerL10n', array(
 			'clear' => __( 'Clear' ),
@@ -486,7 +617,11 @@ function wp_default_scripts( &$scripts ) {
 
 		$scripts->add( 'list-revisions', "/wp-includes/js/wp-list-revisions$suffix.js" );
 
-		$scripts->add( 'media', "/wp-admin/js/media$suffix.js", array( 'jquery-ui-draggable' ), false, 1 );
+		$scripts->add( 'media-grid', "/wp-includes/js/media-grid$suffix.js", array( 'media-editor' ), false, 1 );
+		$scripts->add( 'media', "/wp-admin/js/media$suffix.js", array( 'jquery' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'media', 'attachMediaBoxL10n', array(
+			'error' => __( 'An error has occurred. Please reload the page and try again.' ),
+		));
 
 		$scripts->add( 'image-edit', "/wp-admin/js/image-edit$suffix.js", array('jquery', 'json2', 'imgareaselect'), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'image-edit', 'imageEditL10n', array(
@@ -496,7 +631,7 @@ function wp_default_scripts( &$scripts ) {
 		$scripts->add( 'set-post-thumbnail', "/wp-admin/js/set-post-thumbnail$suffix.js", array( 'jquery' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'set-post-thumbnail', 'setPostThumbnailL10n', array(
 			'setThumbnail' => __( 'Use as featured image' ),
-			'saving' => __( 'Saving...' ),
+			'saving' => __( 'Saving...' ), // no ellipsis
 			'error' => __( 'Could not set that as the thumbnail image. Try a different attachment.' ),
 			'done' => __( 'Done' )
 		) );
@@ -504,9 +639,10 @@ function wp_default_scripts( &$scripts ) {
 		// Navigation Menus
 		$scripts->add( 'nav-menu', "/wp-admin/js/nav-menu$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable', 'wp-lists', 'postbox' ) );
 		did_action( 'init' ) && $scripts->localize( 'nav-menu', 'navMenuL10n', array(
-			'noResultsFound' => _x('No results found.', 'search results'),
+			'noResultsFound' => __( 'No results found.' ),
 			'warnDeleteMenu' => __( "You are about to permanently delete this menu. \n 'Cancel' to stop, 'OK' to delete." ),
-			'saveAlert' => __('The changes you made will be lost if you navigate away from this page.')
+			'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
+			'untitled' => _x( '(no label)', 'missing menu item navigation label' )
 		) );
 
 		$scripts->add( 'custom-header', "/wp-admin/js/custom-header.js", array( 'jquery-masonry' ), false, 1 );
@@ -530,10 +666,10 @@ function wp_default_scripts( &$scripts ) {
  *
  * @since 2.6.0
  *
- * @param object $styles
+ * @param WP_Styles $styles
  */
 function wp_default_styles( &$styles ) {
-	include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
 
 	if ( ! defined( 'SCRIPT_DEBUG' ) )
 		define( 'SCRIPT_DEBUG', false !== strpos( $wp_version, '-src' ) );
@@ -547,15 +683,6 @@ function wp_default_styles( &$styles ) {
 	$styles->text_direction = function_exists( 'is_rtl' ) && is_rtl() ? 'rtl' : 'ltr';
 	$styles->default_dirs = array('/wp-admin/', '/wp-includes/css/');
 
-	$suffix = SCRIPT_DEBUG ? '' : '.min';
-
-	$rtl_styles = array( 'wp-admin', 'ie', 'media', 'admin-bar', 'customize-controls', 'media-views', 'wp-color-picker', 'wp-pointer', 'editor-buttons', 'farbtastic', 'wp-auth-check', 'wp-jquery-ui-dialog', 'media-views', 'buttons', 'install', 'colors-fresh' );
-
-	$styles->add( 'wp-admin', "/wp-admin/css/wp-admin$suffix.css", array( 'open-sans', 'dashicons' ) );
-
-	$styles->add( 'ie', "/wp-admin/css/ie$suffix.css" );
-	$styles->add_data( 'ie', 'conditional', 'lte IE 7' );
-
 	$open_sans_font_url = '';
 
 	/* translators: If there are characters in your language that are not supported
@@ -578,38 +705,65 @@ function wp_default_styles( &$styles ) {
 		}
 
 		// Hotlink Open Sans, for now
-		$open_sans_font_url = "//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets";
+		$open_sans_font_url = "https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets";
 	}
 
-	$styles->add( 'open-sans', $open_sans_font_url );
+	// Register a stylesheet for the selected admin color scheme.
+	$styles->add( 'colors', true, array( 'wp-admin', 'buttons', 'open-sans', 'dashicons' ) );
 
-	// Dashicons
-	$styles->add( 'dashicons', "/wp-includes/css/dashicons$suffix.css" );
+	$suffix = SCRIPT_DEBUG ? '' : '.min';
 
-	// Register "meta" stylesheet for admin colors. All colors-* style sheets should have the same version string.
-	$styles->add( 'colors', true, array( 'wp-admin', 'buttons', 'open-sans', 'dashicons' ) );
+	// Admin CSS
+	$styles->add( 'wp-admin',            "/wp-admin/css/wp-admin$suffix.css", array( 'open-sans', 'dashicons' ) );
+	$styles->add( 'login',               "/wp-admin/css/login$suffix.css", array( 'buttons', 'open-sans', 'dashicons' ) );
+	$styles->add( 'install',             "/wp-admin/css/install$suffix.css", array( 'buttons', 'open-sans' ) );
+	$styles->add( 'wp-color-picker',     "/wp-admin/css/color-picker$suffix.css" );
+	$styles->add( 'customize-controls',  "/wp-admin/css/customize-controls$suffix.css", array( 'wp-admin', 'colors', 'ie', 'imgareaselect' ) );
+	$styles->add( 'customize-widgets',   "/wp-admin/css/customize-widgets$suffix.css", array( 'wp-admin', 'colors' ) );
+	$styles->add( 'customize-nav-menus', "/wp-admin/css/customize-nav-menus$suffix.css", array( 'wp-admin', 'colors' ) );
+	$styles->add( 'press-this',          "/wp-admin/css/press-this$suffix.css", array( 'open-sans', 'buttons' ) );
 
-	// do not refer to this directly, the right one is queued by the above "meta" colors handle
-	$styles->add( 'colors-fresh', "/wp-admin/css/colors$suffix.css", array( 'wp-admin', 'buttons' ) );
+	$styles->add( 'ie', "/wp-admin/css/ie$suffix.css" );
+	$styles->add_data( 'ie', 'conditional', 'lte IE 7' );
 
-	$styles->add( 'media', "/wp-admin/css/media$suffix.css" );
-	$styles->add( 'install', "/wp-admin/css/install$suffix.css", array( 'buttons', 'open-sans' ) );
-	$styles->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.css', array( 'dashicons' ), '20131201' );
-	$styles->add( 'farbtastic', '/wp-admin/css/farbtastic.css', array(), '1.3u1' );
-	$styles->add( 'wp-color-picker', "/wp-admin/css/color-picker$suffix.css" );
-	$styles->add( 'jcrop', "/wp-includes/js/jcrop/jquery.Jcrop.min.css", array(), '0.9.12' );
-	$styles->add( 'imgareaselect', '/wp-includes/js/imgareaselect/imgareaselect.css', array(), '0.9.8' );
-	$styles->add( 'admin-bar', "/wp-includes/css/admin-bar$suffix.css", array( 'open-sans', 'dashicons' ) );
+	// Common dependencies
+	$styles->add( 'buttons',   "/wp-includes/css/buttons$suffix.css" );
+	$styles->add( 'dashicons', "/wp-includes/css/dashicons$suffix.css" );
+	$styles->add( 'open-sans', $open_sans_font_url );
+
+	// Includes CSS
+	$styles->add( 'admin-bar',            "/wp-includes/css/admin-bar$suffix.css", array( 'open-sans', 'dashicons' ) );
+	$styles->add( 'wp-auth-check',        "/wp-includes/css/wp-auth-check$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'editor-buttons',       "/wp-includes/css/editor$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'media-views',          "/wp-includes/css/media-views$suffix.css", array( 'buttons', 'dashicons', 'wp-mediaelement' ) );
+	$styles->add( 'wp-pointer',           "/wp-includes/css/wp-pointer$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'customize-preview',    "/wp-includes/css/customize-preview$suffix.css" );
+	$styles->add( 'wp-embed-template-ie', "/wp-includes/css/wp-embed-template-ie$suffix.css" );
+	$styles->add_data( 'wp-embed-template-ie', 'conditional', 'lte IE 8' );
+
+	// External libraries and friends
+	$styles->add( 'imgareaselect',       '/wp-includes/js/imgareaselect/imgareaselect.css', array(), '0.9.8' );
 	$styles->add( 'wp-jquery-ui-dialog', "/wp-includes/css/jquery-ui-dialog$suffix.css", array( 'dashicons' ) );
-	$styles->add( 'editor-buttons', "/wp-includes/css/editor$suffix.css", array( 'dashicons' ) );
-	$styles->add( 'wp-pointer', "/wp-includes/css/wp-pointer$suffix.css", array( 'dashicons' ) );
-	$styles->add( 'customize-controls', "/wp-admin/css/customize-controls$suffix.css", array( 'wp-admin', 'colors', 'ie' ) );
-	$styles->add( 'media-views', "/wp-includes/css/media-views$suffix.css", array( 'buttons', 'dashicons' ) );
-	$styles->add( 'buttons', "/wp-includes/css/buttons$suffix.css" );
-	$styles->add( 'wp-auth-check', "/wp-includes/css/wp-auth-check$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'mediaelement',        "/wp-includes/js/mediaelement/mediaelementplayer.min.css", array(), '2.18.1' );
+	$styles->add( 'wp-mediaelement',     "/wp-includes/js/mediaelement/wp-mediaelement.css", array( 'mediaelement' ) );
+	$styles->add( 'thickbox',            '/wp-includes/js/thickbox/thickbox.css', array( 'dashicons' ) );
 
-	$styles->add( 'mediaelement', "/wp-includes/js/mediaelement/mediaelementplayer.min.css", array(), '2.13.0' );
-	$styles->add( 'wp-mediaelement', "/wp-includes/js/mediaelement/wp-mediaelement.css", array( 'mediaelement' ) );
+	// Deprecated CSS
+	$styles->add( 'media',      "/wp-admin/css/deprecated-media$suffix.css" );
+	$styles->add( 'farbtastic', '/wp-admin/css/farbtastic.css', array(), '1.3u1' );
+	$styles->add( 'jcrop',      "/wp-includes/js/jcrop/jquery.Jcrop.min.css", array(), '0.9.12' );
+	$styles->add( 'colors-fresh', false, array( 'wp-admin', 'buttons' ) ); // Old handle.
+
+	// RTL CSS
+	$rtl_styles = array(
+		// wp-admin
+		'wp-admin', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'ie', 'login', 'press-this',
+		// wp-includes
+		'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer',
+		'wp-jquery-ui-dialog',
+		// deprecated
+		'media', 'farbtastic',
+	);
 
 	foreach ( $rtl_styles as $rtl_style ) {
 		$styles->add_data( $rtl_style, 'rtl', 'replace' );
@@ -655,8 +809,6 @@ function wp_just_in_time_script_localization() {
 
 	wp_localize_script( 'autosave', 'autosaveL10n', array(
 		'autosaveInterval' => AUTOSAVE_INTERVAL,
-		'savingText' => __('Saving Draft&#8230;'),
-		'saveAlert' => __('The changes you made will be lost if you navigate away from this page.'),
 		'blog_id' => get_current_blog_id(),
 	) );
 
@@ -676,18 +828,19 @@ function wp_just_in_time_script_localization() {
  * the $_wp_admin_css_colors array value URL.
  *
  * @since 2.6.0
- * @uses $_wp_admin_css_colors
+ * @global array $_wp_admin_css_colors
  *
- * @param string $src Source URL.
+ * @param string $src    Source URL.
  * @param string $handle Either 'colors' or 'colors-rtl'.
- * @return string URL path to CSS stylesheet for Administration Screens.
+ * @return string|false URL path to CSS stylesheet for Administration Screens.
  */
 function wp_style_loader_src( $src, $handle ) {
-	if ( defined('WP_INSTALLING') )
+	global $_wp_admin_css_colors;
+
+	if ( wp_installing() )
 		return preg_replace( '#^wp-admin/#', './', $src );
 
-	if ( 'colors' == $handle || 'colors-rtl' == $handle ) {
-		global $_wp_admin_css_colors;
+	if ( 'colors' == $handle ) {
 		$color = get_user_option('admin_color');
 
 		if ( empty($color) || !isset($_wp_admin_css_colors[$color]) )
@@ -697,6 +850,10 @@ function wp_style_loader_src( $src, $handle ) {
 		$parsed = parse_url( $src );
 		$url = $color->url;
 
+		if ( ! $url ) {
+			return false;
+		}
+
 		if ( isset($parsed['query']) && $parsed['query'] ) {
 			wp_parse_str( $parsed['query'], $qv );
 			$url = add_query_arg( $qv, $url );
@@ -714,27 +871,38 @@ function wp_style_loader_src( $src, $handle ) {
  * Postpones the scripts that were queued for the footer.
  * print_footer_scripts() is called in the footer to print these scripts.
  *
- * @since 2.8
+ * @since 2.8.0
  *
  * @see wp_print_scripts()
+ *
+ * @global bool $concatenate_scripts
+ *
+ * @return array
  */
 function print_head_scripts() {
-	global $wp_scripts, $concatenate_scripts;
+	global $concatenate_scripts;
 
 	if ( ! did_action('wp_print_scripts') ) {
 		/** This action is documented in wp-includes/functions.wp-scripts.php */
 		do_action( 'wp_print_scripts' );
 	}
 
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
-		$wp_scripts = new WP_Scripts();
+	$wp_scripts = wp_scripts();
 
 	script_concat_settings();
 	$wp_scripts->do_concat = $concatenate_scripts;
 	$wp_scripts->do_head_items();
 
-	if ( apply_filters('print_head_scripts', true) )
+	/**
+	 * Filter whether to print the head scripts.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $print Whether to print the head scripts. Default true.
+	 */
+	if ( apply_filters( 'print_head_scripts', true ) ) {
 		_print_scripts();
+	}
 
 	$wp_scripts->reset();
 	return $wp_scripts->done;
@@ -743,27 +911,45 @@ function print_head_scripts() {
 /**
  * Prints the scripts that were queued for the footer or too late for the HTML head.
  *
- * @since 2.8
+ * @since 2.8.0
+ *
+ * @global WP_Scripts $wp_scripts
+ * @global bool       $concatenate_scripts
+ *
+ * @return array
  */
 function print_footer_scripts() {
 	global $wp_scripts, $concatenate_scripts;
 
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
 		return array(); // No need to run if not instantiated.
-
+	}
 	script_concat_settings();
 	$wp_scripts->do_concat = $concatenate_scripts;
 	$wp_scripts->do_footer_items();
 
-	if ( apply_filters('print_footer_scripts', true) )
+	/**
+	 * Filter whether to print the footer scripts.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $print Whether to print the footer scripts. Default true.
+	 */
+	if ( apply_filters( 'print_footer_scripts', true ) ) {
 		_print_scripts();
+	}
 
 	$wp_scripts->reset();
 	return $wp_scripts->done;
 }
 
 /**
- * @internal use
+ * Print scripts (internal use only)
+ *
+ * @ignore
+ *
+ * @global WP_Scripts $wp_scripts
+ * @global bool       $compress_scripts
  */
 function _print_scripts() {
 	global $wp_scripts, $compress_scripts;
@@ -799,7 +985,11 @@ function _print_scripts() {
  * Postpones the scripts that were queued for the footer.
  * wp_print_footer_scripts() is called in the footer to print these scripts.
  *
- * @since 2.8
+ * @since 2.8.0
+ *
+ * @global WP_Scripts $wp_scripts
+ *
+ * @return array
  */
 function wp_print_head_scripts() {
 	if ( ! did_action('wp_print_scripts') ) {
@@ -809,9 +999,9 @@ function wp_print_head_scripts() {
 
 	global $wp_scripts;
 
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
 		return array(); // no need to run if nothing is queued
-
+	}
 	return print_head_scripts();
 }
 
@@ -828,10 +1018,15 @@ function _wp_footer_scripts() {
 /**
  * Hooks to print the scripts and styles in the footer.
  *
- * @since 2.8
+ * @since 2.8.0
  */
 function wp_print_footer_scripts() {
-	do_action('wp_print_footer_scripts');
+	/**
+	 * Fires when footer scripts are printed.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'wp_print_footer_scripts' );
 }
 
 /**
@@ -840,33 +1035,45 @@ function wp_print_footer_scripts() {
  * Allows plugins to queue scripts for the front end using wp_enqueue_script().
  * Runs first in wp_head() where all is_home(), is_page(), etc. functions are available.
  *
- * @since 2.8
+ * @since 2.8.0
  */
 function wp_enqueue_scripts() {
-	do_action('wp_enqueue_scripts');
+	/**
+	 * Fires when scripts and styles are enqueued.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'wp_enqueue_scripts' );
 }
 
 /**
  * Prints the styles queue in the HTML head on admin pages.
  *
- * @since 2.8
+ * @since 2.8.0
+ *
+ * @global bool $concatenate_scripts
+ *
+ * @return array
  */
 function print_admin_styles() {
-	global $wp_styles, $concatenate_scripts, $compress_css;
+	global $concatenate_scripts;
 
-	if ( !is_a($wp_styles, 'WP_Styles') )
-		$wp_styles = new WP_Styles();
+	$wp_styles = wp_styles();
 
 	script_concat_settings();
 	$wp_styles->do_concat = $concatenate_scripts;
-	$zip = $compress_css ? 1 : 0;
-	if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
-		$zip = 'gzip';
-
 	$wp_styles->do_items(false);
 
-	if ( apply_filters('print_admin_styles', true) )
+	/**
+	 * Filter whether to print the admin styles.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $print Whether to print the admin styles. Default true.
+	 */
+	if ( apply_filters( 'print_admin_styles', true ) ) {
 		_print_styles();
+	}
 
 	$wp_styles->reset();
 	return $wp_styles->done;
@@ -876,28 +1083,48 @@ function print_admin_styles() {
  * Prints the styles that were queued too late for the HTML head.
  *
  * @since 3.3.0
+ *
+ * @global WP_Styles $wp_styles
+ * @global bool      $concatenate_scripts
+ *
+ * @return array|void
  */
 function print_late_styles() {
 	global $wp_styles, $concatenate_scripts;
 
-	if ( !is_a($wp_styles, 'WP_Styles') )
+	if ( ! ( $wp_styles instanceof WP_Styles ) ) {
 		return;
+	}
 
 	$wp_styles->do_concat = $concatenate_scripts;
 	$wp_styles->do_footer_items();
 
-	if ( apply_filters('print_late_styles', true) )
+	/**
+	 * Filter whether to print the styles queued too late for the HTML head.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param bool $print Whether to print the 'late' styles. Default true.
+	 */
+	if ( apply_filters( 'print_late_styles', true ) ) {
 		_print_styles();
+	}
 
 	$wp_styles->reset();
 	return $wp_styles->done;
 }
 
 /**
- * @internal use
+ * Print styles (internal use only)
+ *
+ * @ignore
+ *
+ * @global bool $compress_css
  */
 function _print_styles() {
-	global $wp_styles, $compress_css;
+	global $compress_css;
+
+	$wp_styles = wp_styles();
 
 	$zip = $compress_css ? 1 : 0;
 	if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
@@ -923,7 +1150,11 @@ function _print_styles() {
 /**
  * Determine the concatenation and compression settings for scripts and styles.
  *
- * @since 2.8
+ * @since 2.8.0
+ *
+ * @global bool $concatenate_scripts
+ * @global bool $compress_scripts
+ * @global bool $compress_css
  */
 function script_concat_settings() {
 	global $concatenate_scripts, $compress_scripts, $compress_css;
@@ -948,10 +1179,3 @@ function script_concat_settings() {
 			$compress_css = false;
 	}
 }
-
-add_action( 'wp_default_scripts', 'wp_default_scripts' );
-add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
-add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
-
-add_action( 'wp_default_styles', 'wp_default_styles' );
-add_filter( 'style_loader_src', 'wp_style_loader_src', 10, 2 );