]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-includes/script-loader.php
WordPress 4.7.1
[autoinstalls/wordpress.git] / wp-includes / script-loader.php
index 4a6fc281fe73ca6ec47e13d8d591f734af2ee7b7..b9b2bdbcac10013bf5b34c0a487bc13099fb1d74 100644 (file)
 <?php
-class WP_Scripts {
-       var $scripts = array();
-       var $queue = array();
-       var $to_print = array();
-       var $printed = array();
-       var $args = array();
-
-       function WP_Scripts() {
-               $this->default_scripts();
+/**
+ * WordPress scripts and styles default loader.
+ *
+ * Several constants are used to manage the loading, concatenating and compression of scripts and CSS:
+ * define('SCRIPT_DEBUG', true); loads the development (non-minified) versions of all scripts and CSS, and disables compression and concatenation,
+ * define('CONCATENATE_SCRIPTS', false); disables compression and concatenation of scripts and CSS,
+ * define('COMPRESS_SCRIPTS', false); disables compression of scripts,
+ * define('COMPRESS_CSS', false); disables compression of CSS,
+ * define('ENFORCE_GZIP', true); forces gzip for compression (default is deflate).
+ *
+ * The globals $concatenate_scripts, $compress_scripts and $compress_css can be set by plugins
+ * to temporarily override the above settings. Also a compression test is run once and the result is saved
+ * as option 'can_compress_scripts' (0/1). The test will run again if that option is deleted.
+ *
+ * @package WordPress
+ */
+
+/** WordPress Dependency Class */
+require( ABSPATH . WPINC . '/class-wp-dependency.php' );
+
+/** WordPress Dependencies Class */
+require( ABSPATH . WPINC . '/class.wp-dependencies.php' );
+
+/** WordPress Scripts Class */
+require( ABSPATH . WPINC . '/class.wp-scripts.php' );
+
+/** WordPress Scripts Functions */
+require( ABSPATH . WPINC . '/functions.wp-scripts.php' );
+
+/** WordPress Styles Class */
+require( ABSPATH . WPINC . '/class.wp-styles.php' );
+
+/** WordPress Styles Functions */
+require( ABSPATH . WPINC . '/functions.wp-styles.php' );
+
+/**
+ * Register all WordPress scripts.
+ *
+ * Localizes some of them.
+ * args order: `$scripts->add( 'handle', 'url', 'dependencies', 'query-string', 1 );`
+ * when last arg === 1 queues the script for the footer
+ *
+ * @since 2.6.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_default_scripts( &$scripts ) {
+       include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+       $develop_src = false !== strpos( $wp_version, '-src' );
+
+       if ( ! defined( 'SCRIPT_DEBUG' ) ) {
+               define( 'SCRIPT_DEBUG', $develop_src );
        }
 
-       function default_scripts() {
-               $this->add( 'common', '/wp-admin/js/common.js', array('jquery'), '20080318' );
-               $this->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
-
-               $this->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3958' );
-               $this->localize( 'quicktags', 'quicktagsL10n', array(
-                       'quickLinks' => __('(Quick Links)'),
-                       'wordLookup' => __('Enter a word to look up:'),
-                       'dictionaryLookup' => attribute_escape(__('Dictionary lookup')),
-                       'lookup' => attribute_escape(__('lookup')),
-                       'closeAllOpenTags' => attribute_escape(__('Close all open tags')),
-                       'closeTags' => attribute_escape(__('close tags')),
-                       'enterURL' => __('Enter the URL'),
-                       'enterImageURL' => __('Enter the URL of the image'),
-                       'enterImageDescription' => __('Enter a description of the image')
-               ) );
+       if ( ! $guessurl = site_url() ) {
+               $guessed_url = true;
+               $guessurl = wp_guess_url();
+       }
+
+       $scripts->base_url = $guessurl;
+       $scripts->content_url = defined('WP_CONTENT_URL')? WP_CONTENT_URL : '';
+       $scripts->default_version = get_bloginfo( 'version' );
+       $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 these items.\n  'Cancel' to stop, 'OK' to delete." ),
+               'dismiss'      => __( 'Dismiss this notice.' ),
+               'collapseMenu' => __( 'Collapse Main menu' ),
+               'expandMenu'   => __( 'Expand Main menu' ),
+       ) );
+
+       $scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$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'      => __( '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 );
+
+       // 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(
+               'noPerm' => __('Sorry, you are not allowed to do that.'),
+               'broken' => __('An unidentified error has occurred.')
+       ) );
+
+       $scripts->add( 'wp-pointer', "/wp-includes/js/wp-pointer$suffix.js", array( 'jquery-ui-widget', 'jquery-ui-position' ), '20111129a', 1 );
+       did_action( 'init' ) && $scripts->localize( 'wp-pointer', 'wpPointerL10n', array(
+               'dismiss' => __('Dismiss'),
+       ) );
+
+       $scripts->add( 'autosave', "/wp-includes/js/autosave$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',
+               /**
+                * Filters 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.'),
+
+               /**
+                * Filters 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', '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' ), '1.12.4' );
+       $scripts->add( 'jquery-core', '/wp-includes/js/jquery/jquery.js', array(), '1.12.4' );
+       $scripts->add( 'jquery-migrate', "/wp-includes/js/jquery/jquery-migrate$suffix.js", array(), '1.4.1' );
+
+       // full jQuery UI
+       $scripts->add( 'jquery-ui-core', "/wp-includes/js/jquery/ui/core$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', 'wp-a11y' ), '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 );
+
+       // Strings for 'jquery-ui-autocomplete' live region messages
+       did_action( 'init' ) && $scripts->localize( 'jquery-ui-autocomplete', 'uiAutocompleteL10n', array(
+               'noResults' => __( 'No results found.' ),
+               /* translators: Number of results found when using jQuery UI Autocomplete */
+               'oneResult' => __( '1 result found. Use up and down arrow keys to navigate.' ),
+               /* translators: %d: Number of results found when using jQuery UI Autocomplete */
+               'manyResults' => __( '%d results found. Use up and down arrow keys to navigate.' ),
+               'itemSelected' => __( 'Item selected.' ),
+       ) );
+
+       // 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 );
+
+       // jQuery plugins
+       $scripts->add( 'jquery-color', "/wp-includes/js/jquery/jquery.color.min.js", array('jquery'), '2.1.1', 1 );
+       $scripts->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20m', 1 );
+       $scripts->add( 'jquery-query', "/wp-includes/js/jquery/jquery.query.js", array('jquery'), '2.1.7', 1 );
+       $scripts->add( 'jquery-serialize-object', "/wp-includes/js/jquery/jquery.serialize-object.js", array('jquery'), '0.2', 1 );
+       $scripts->add( 'jquery-hotkeys', "/wp-includes/js/jquery/jquery.hotkeys$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 );
+
+       // Not used any more, registered for backwards compatibility.
+       $scripts->add( 'suggest', "/wp-includes/js/jquery/suggest$suffix.js", array('jquery'), '1.1-20110113', 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( 'imagesloaded', "/wp-includes/js/imagesloaded.min.js", array(), '3.2.0', 1 );
+       $scripts->add( 'masonry', "/wp-includes/js/masonry.min.js", array( 'imagesloaded' ), '3.3.2', 1 );
+       $scripts->add( 'jquery-masonry', "/wp-includes/js/jquery/jquery.masonry$dev_suffix.js", array( 'jquery', 'masonry' ), '3.1.2b', 1 );
+
+       $scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20121105', 1 );
+       did_action( 'init' ) && $scripts->localize( 'thickbox', 'thickboxL10n', array(
+               'next' => __('Next &gt;'),
+               'prev' => __('&lt; Prev'),
+               'image' => __('Image'),
+               'of' => __('of'),
+               'close' => __('Close'),
+               'noiframes' => __('This feature requires inline frames. You have iframes disabled or your browser does not support them.'),
+               'loadingAnimation' => includes_url('js/thickbox/loadingAnimation.gif'),
+       ) );
+
+       $scripts->add( 'jcrop', "/wp-includes/js/jcrop/jquery.Jcrop.min.js", array('jquery'), '0.9.12');
+
+       $scripts->add( 'swfobject', "/wp-includes/js/swfobject.js", array(), '2.2-20120417');
+
+       // error message for both plupload and swfupload
+       $uploader_l10n = array(
+               'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
+               'file_exceeds_size_limit' => __('%s exceeds the maximum upload size for this site.'),
+               'zero_byte_file' => __('This file is empty. Please try another.'),
+               'invalid_filetype' => __('This file type is not allowed. Please try another.'),
+               'not_an_image' => __('This file is not an image. Please try another.'),
+               'image_memory_exceeded' => __('Memory exceeded. Please try another smaller file.'),
+               'image_dimensions_exceeded' => __('This is larger than the maximum size. Please try another.'),
+               'default_error' => __('An error occurred in the upload. Please try again later.'),
+               'missing_upload_url' => __('There was a configuration error. Please contact the server administrator.'),
+               'upload_limit_exceeded' => __('You may only upload 1 file.'),
+               'http_error' => __('HTTP error.'),
+               'upload_failed' => __('Upload failed.'),
+               /* translators: 1: Opening link tag, 2: Closing link tag */
+               'big_upload_failed' => __('Please try uploading this file with the %1$sbrowser uploader%2$s.'),
+               'big_upload_queued' => __('%s exceeds the maximum upload size for the multi-file uploader when used in your browser.'),
+               'io_error' => __('IO error.'),
+               'security_error' => __('Security error.'),
+               'file_cancelled' => __('File canceled.'),
+               'upload_stopped' => __('Upload stopped.'),
+               'dismiss' => __('Dismiss'),
+               'crunching' => __('Crunching&hellip;'),
+               'deleted' => __('moved to the trash.'),
+               'error_uploading' => __('&#8220;%s&#8221; has failed to upload.')
+       );
+
+       $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', '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', 'jquery', 'json2', 'media-models' ), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'wp-plupload', 'pluploadL10n', $uploader_l10n );
+
+       // keep 'swfupload' for back-compat.
+       $scripts->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', array(), '2201-20110113');
+       $scripts->add( 'swfupload-swfobject', '/wp-includes/js/swfupload/plugins/swfupload.swfobject.js', array('swfupload', 'swfobject'), '2201a');
+       $scripts->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2201');
+       $scripts->add( 'swfupload-speed', '/wp-includes/js/swfupload/plugins/swfupload.speed.js', array('swfupload'), '2201');
+       $scripts->add( 'swfupload-all', false, array('swfupload', 'swfupload-swfobject', 'swfupload-queue'), '2201');
+       $scripts->add( 'swfupload-handlers', "/wp-includes/js/swfupload/handlers$suffix.js", array('swfupload-all', 'jquery'), '2201-20110524');
+       did_action( 'init' ) && $scripts->localize( 'swfupload-handlers', 'swfuploadL10n', $uploader_l10n );
 
-               $this->add( 'colorpicker', '/wp-includes/js/colorpicker.js', array('prototype'), '3517' );
+       $scripts->add( 'comment-reply', "/wp-includes/js/comment-reply$suffix.js", array(), false, 1 );
+
+       $scripts->add( 'json2', "/wp-includes/js/json2$suffix.js", array(), '2015-05-03' );
+       did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', 'lt IE 8' );
+
+       $scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.8.3', 1 );
+       $scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore','jquery' ), '1.2.3', 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(
+               'ajax' => array(
+                       'url' => admin_url( 'admin-ajax.php', 'relative' ),
+               ),
+       ) );
+
+       $scripts->add( 'wp-backbone', "/wp-includes/js/wp-backbone$suffix.js", array('backbone', 'wp-util'), false, 1 );
+
+       $scripts->add( 'revisions', "/wp-admin/js/revisions$suffix.js", array( 'wp-backbone', 'jquery-ui-slider', 'hoverIntent' ), false, 1 );
+
+       $scripts->add( 'imgareaselect', "/wp-includes/js/imgareaselect/jquery.imgareaselect$suffix.js", array('jquery'), false, 1 );
+
+       $scripts->add( 'mediaelement', "/wp-includes/js/mediaelement/mediaelement-and-player.min.js", array('jquery'), '2.22.0', 1 );
+       did_action( 'init' ) && $scripts->localize( 'mediaelement', 'mejsL10n', array(
+               'language' => get_bloginfo( 'language' ),
+               'strings'  => array(
+                       'Close'                   => __( 'Close' ),
+                       'Fullscreen'              => __( 'Fullscreen' ),
+                       'Turn off Fullscreen'     => __( 'Turn off Fullscreen' ),
+                       'Go Fullscreen'           => __( 'Go Fullscreen' ),
+                       'Download File'           => __( 'Download File' ),
+                       'Download Video'          => __( 'Download Video' ),
+                       'Play'                    => __( 'Play' ),
+                       'Pause'                   => __( 'Pause' ),
+                       'Captions/Subtitles'      => __( 'Captions/Subtitles' ),
+                       'None'                    => __( 'None', 'no captions/subtitles' ),
+                       'Time Slider'             => __( 'Time Slider' ),
+                       /* translators: %1: number of seconds (30 by default) */
+                       'Skip back %1 seconds'    => __( 'Skip back %1 seconds' ),
+                       'Video Player'            => __( 'Video Player' ),
+                       'Audio Player'            => __( 'Audio Player' ),
+                       'Volume Slider'           => __( 'Volume Slider' ),
+                       'Mute Toggle'             => __( 'Mute Toggle' ),
+                       'Unmute'                  => __( 'Unmute' ),
+                       'Mute'                    => __( 'Mute' ),
+                       'Use Up/Down Arrow keys to increase or decrease volume.' => __( 'Use Up/Down Arrow keys to increase or decrease volume.' ),
+                       'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.' => __( 'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.' ),
+               ),
+       ) );
+
+
+       $scripts->add( 'wp-mediaelement', "/wp-includes/js/mediaelement/wp-mediaelement$suffix.js", array('mediaelement'), false, 1 );
+       $mejs_settings = array(
+               'pluginPath' => includes_url( 'js/mediaelement/', 'relative' ),
+       );
+       did_action( 'init' ) && $scripts->localize( 'mediaelement', '_wpmejsSettings',
+               /**
+                * Filters 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' );
+       $scripts->add( 'wp-playlist', "/wp-includes/js/mediaelement/wp-playlist$suffix.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(
+               'src' => empty( $guessed_url ) ? includes_url( '/js/zxcvbn.min.js' ) : $scripts->base_url . '/wp-includes/js/zxcvbn.min.js',
+       ) );
 
-               // Let a plugin replace the visual editor
-               $visual_editor = apply_filters('visual_editor', array('tiny_mce'));
-               $this->add( 'editor', false, $visual_editor, '20080321' );
+       $scripts->add( 'password-strength-meter', "/wp-admin/js/password-strength-meter$suffix.js", array( 'jquery', 'zxcvbn-async' ), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'password-strength-meter', 'pwsL10n', array(
+               'unknown'  => _x( 'Password strength unknown', 'password strength' ),
+               '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.' ),
+               'warnWeak' => __( 'Confirm use of weak password' ),
+               'show'     => __( 'Show' ),
+               'hide'     => __( 'Hide' ),
+               'cancel'   => __( 'Cancel' ),
+               'ariaShow' => esc_attr__( 'Show password' ),
+               'ariaHide' => esc_attr__( 'Hide password' ),
+       ) );
+
+       $scripts->add( 'language-chooser', "/wp-admin/js/language-chooser$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', 'wp-a11y' ), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'wplink', 'wpLinkL10n', array(
+               'title' => __('Insert/edit link'),
+               'update' => __('Update'),
+               'save' => __('Add Link'),
+               'noTitle' => __('(no title)'),
+               'noMatchesFound' => __('No results found.'),
+               'linkSelected' => __( 'Link selected.' ),
+               'linkInserted' => __( 'Link inserted.' ),
+       ) );
+
+       $scripts->add( 'wpdialogs', "/wp-includes/js/wpdialog$suffix.js", array( 'jquery-ui-dialog' ), false, 1 );
+
+       $scripts->add( 'word-count', "/wp-admin/js/word-count$suffix.js", array(), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'word-count', 'wordCountL10n', array(
+               /*
+                * 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'), '1.8.1', 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( 'wp-a11y', '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', 'wp-util' ), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'customize-controls', '_wpCustomizeControlsL10n', array(
+               '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'         => __( 'Sorry, you are not allowed to customize this site.' ),
+               'previewIframeTitle' => __( 'Site Preview' ),
+               'loginIframeTitle'   => __( 'Session expired' ),
+               'collapseSidebar'    => _x( 'Hide Controls', 'label for hide controls button without length constraints' ),
+               'expandSidebar'      => _x( 'Show Controls', 'label for hide controls button without length constraints' ),
+               'untitledBlogName'   => __( '(Untitled)' ),
+               // Used for overriding the file types allowed in plupload.
+               'allowedFiles'       => __( 'Allowed Files' ),
+       ) );
+       $scripts->add( 'customize-selective-refresh', "/wp-includes/js/customize-selective-refresh$suffix.js", array( 'jquery', 'wp-util', 'customize-preview' ), false, 1 );
+
+       $scripts->add( 'customize-widgets', "/wp-admin/js/customize-widgets$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', 'customize-selective-refresh' ), 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', 'customize-selective-refresh' ), false, 1 );
+
+       $scripts->add( 'wp-custom-header', "/wp-includes/js/wp-custom-header$suffix.js", array( 'wp-a11y' ), 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 );
+       $scripts->add( 'media-models', "/wp-includes/js/media-models$suffix.js", array( 'wp-backbone' ), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'media-models', '_wpMediaModelsL10n', array(
+               'settings' => array(
+                       'ajaxurl' => admin_url( 'admin-ajax.php', 'relative' ),
+                       'post' => array( 'id' => 0 ),
+               ),
+       ) );
 
-               $this->add( 'editor_functions', '/wp-admin/js/editor.js', false, '20080325' );
+       $scripts->add( 'wp-embed', "/wp-includes/js/wp-embed$suffix.js" );
 
-               // Modify this version when tinyMCE plugins are changed.
-               $mce_version = apply_filters('tiny_mce_version', '20080414');
-               $this->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_config.php', array('editor_functions'), $mce_version );
+       // 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', 'wp-mediaelement' ), false, 1 );
+       $scripts->add( 'media-editor', "/wp-includes/js/media-editor$suffix.js", array( 'shortcode', 'media-views' ), 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 );
 
-               $this->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.6');
+       $scripts->add( 'wp-api', "/wp-includes/js/wp-api$suffix.js", array( 'jquery', 'backbone', 'underscore' ), false, 1 );
+       did_action( 'init' ) && $scripts->localize( 'wp-api', 'wpApiSettings', array(
+               'root'          => esc_url_raw( get_rest_url() ),
+               'nonce'         => ( wp_installing() && ! is_multisite() ) ? '' : wp_create_nonce( 'wp_rest' ),
+               'versionString' => 'wp/v2/',
+       ) );
 
-               $this->add( 'wp-ajax-response', '/wp-includes/js/wp-ajax-response.js', array('jquery'), '20080316' );
-               $this->localize( 'wp-ajax-response', 'wpAjax', array(
-                       'noPerm' => __('You do not have permission to do that.'),
+       if ( is_admin() ) {
+               $scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array( 'jquery', 'wp-ajax-response' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'admin-tags', 'tagsl10n', array(
+                       'noPerm' => __('Sorry, you are not allowed to do that.'),
                        'broken' => __('An unidentified error has occurred.')
+               ));
+
+               $scripts->add( 'admin-comments', "/wp-admin/js/edit-comments$suffix.js", array('wp-lists', 'quicktags', 'jquery-query'), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'admin-comments', 'adminCommentsL10n', array(
+                       'hotkeys_highlight_first' => isset($_GET['hotkeys_highlight_first']),
+                       'hotkeys_highlight_last' => isset($_GET['hotkeys_highlight_last']),
+                       'replyApprove' => __( 'Approve and Reply' ),
+                       'reply' => __( 'Reply' ),
+                       'warnQuickEdit' => __( "Are you sure you want to edit this comment?\nThe changes you made will be lost." ),
+                       'warnCommentChanges' => __( "Are you sure you want to do this?\nThe comment changes you made will be lost." ),
+                       'docTitleComments' => __( 'Comments' ),
+                       /* translators: %s: comments count */
+                       'docTitleCommentsCount' => __( 'Comments (%s)' ),
                ) );
 
-               $this->add( 'autosave', '/wp-includes/js/autosave.js', array('schedule', 'wp-ajax-response'), '20080424' );
+               $scripts->add( 'xfn', "/wp-admin/js/xfn$suffix.js", array('jquery'), false, 1 );
 
-               $this->add( 'wp-ajax', '/wp-includes/js/wp-ajax.js', array('prototype'), '20070306');
-               $this->localize( 'wp-ajax', 'WPAjaxL10n', array(
-                       'defaultUrl' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-                       'permText' => __("You do not have permission to do that."),
-                       'strangeText' => __("Something strange happened.  Try refreshing the page."),
-                       'whoaText' => __("Slow down, I'm still sending your data!")
+               $scripts->add( 'postbox', "/wp-admin/js/postbox$suffix.js", array('jquery-ui-sortable'), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'postbox', 'postBoxL10n', array(
+                       'postBoxEmptyString' => __( 'Drag boxes here' ),
                ) );
 
-               $this->add( 'wp-lists', '/wp-includes/js/wp-lists.js', array('wp-ajax-response'), '20080411' );
-               $this->localize( 'wp-lists', 'wpListL10n', array(
-                       'url' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php'
+               $scripts->add( 'tags-box', "/wp-admin/js/tags-box$suffix.js", array( 'jquery', 'tags-suggest' ), false, 1 );
+
+               $scripts->add( 'tags-suggest', "/wp-admin/js/tags-suggest$suffix.js", array( 'jquery-ui-autocomplete', 'wp-a11y' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'tags-suggest', 'tagsSuggestL10n', array(
+                       'tagDelimiter' => _x( ',', 'tag delimiter' ),
+                       'removeTerm'   => __( 'Remove term:' ),
+                       'termSelected' => __( 'Term selected.' ),
+                       'termAdded'    => __( 'Term added.' ),
+                       'termRemoved'  => __( 'Term removed.' ),
                ) );
 
-               $this->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/scriptaculous.js', array('prototype'), '1.8.0');
-               $this->add( 'scriptaculous-builder', '/wp-includes/js/scriptaculous/builder.js', array('scriptaculous-root'), '1.8.0');
-               $this->add( 'scriptaculous-dragdrop', '/wp-includes/js/scriptaculous/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.8.0');
-               $this->add( 'scriptaculous-effects', '/wp-includes/js/scriptaculous/effects.js', array('scriptaculous-root'), '1.8.0');
-               $this->add( 'scriptaculous-slider', '/wp-includes/js/scriptaculous/slider.js', array('scriptaculous-effects'), '1.8.0');
-               $this->add( 'scriptaculous-sound', '/wp-includes/js/scriptaculous/sound.js', array( 'scriptaculous-root' ), '1.8.0' );
-               $this->add( 'scriptaculous-controls', '/wp-includes/js/scriptaculous/controls.js', array('scriptaculous-root'), '1.8.0');
-               $this->add( 'scriptaculous', '', array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls'), '1.8.0');
-
-               $this->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop'), '20070118');
-
-               $this->add( 'jquery', '/wp-includes/js/jquery/jquery.js', false, '1.2.3');
-               $this->add( 'jquery-form', '/wp-includes/js/jquery/jquery.form.js', array('jquery'), '2.02');
-               $this->add( 'jquery-color', '/wp-includes/js/jquery/jquery.color.js', array('jquery'), '2.0-4561');
-               $this->add( 'interface', '/wp-includes/js/jquery/interface.js', array('jquery'), '1.2' );
-               $this->add( 'dimensions', '/wp-includes/js/jquery/jquery.dimensions.min.js', array('jquery'), '1.1.2');
-               $this->add( 'suggest', '/wp-includes/js/jquery/suggest.js', array('dimensions'), '1.1');
-               $this->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20');
-               $this->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.js', array('jquery'), '3.1');
-               $this->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', false, '2.0.2');
-               $this->add( 'swfupload-degrade', '/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', array('swfupload'), '2.0.2');
-               $this->localize( 'swfupload-degrade', 'uploadDegradeOptions', array(
-                       'is_lighttpd_before_150' => is_lighttpd_before_150(),
+               $scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'post', 'postL10n', array(
+                       'ok' => __('OK'),
+                       'cancel' => __('Cancel'),
+                       'publishOn' => __('Publish on:'),
+                       'publishOnFuture' =>  __('Schedule for:'),
+                       'publishOnPast' => __('Published on:'),
+                       /* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
+                       'dateFormat' => __('%1$s %2$s, %3$s @ %4$s:%5$s'),
+                       'showcomm' => __('Show more comments'),
+                       'endcomm' => __('No more comments found.'),
+                       'publish' => __('Publish'),
+                       'schedule' => __('Schedule'),
+                       'update' => __('Update'),
+                       'savePending' => __('Save as Pending'),
+                       'saveDraft' => __('Save Draft'),
+                       'private' => __('Private'),
+                       'public' => __('Public'),
+                       'publicSticky' => __('Public, Sticky'),
+                       'password' => __('Password Protected'),
+                       'privatelyPublished' => __('Privately Published'),
+                       'published' => __('Published'),
+                       'saveAlert' => __('The changes you made will be lost if you navigate away from this page.'),
+                       'savingText' => __('Saving Draft&#8230;'),
+                       'permalinkSaved' => __( 'Permalink saved' ),
                ) );
-               $this->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2.0.2');
-               $this->add( 'swfupload-handlers', '/wp-includes/js/swfupload/handlers.js', array('swfupload'), '2.0.2-20080407');
-               // these error messages came from the sample swfupload js, they might need changing.
-               $this->localize( 'swfupload-handlers', 'swfuploadL10n', array(
-                               'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
-                               'file_exceeds_size_limit' => sprintf(__('This file is too big. Your php.ini upload_max_filesize is %s.'), @ini_get('upload_max_filesize')),
-                               'zero_byte_file' => __('This file is empty. Please try another.'),
-                               'invalid_filetype' => __('This file type is not allowed. Please try another.'),
-                               'default_error' => __('An error occurred in the upload. Please try again later.'),
-                               'missing_upload_url' => __('There was a configuration error. Please contact the server administrator.'),
-                               'upload_limit_exceeded' => __('You may only upload 1 file.'),
-                               'http_error' => __('HTTP error.'),
-                               'upload_failed' => __('Upload failed.'),
-                               'io_error' => __('IO error.'),
-                               'security_error' => __('Security error.'),
-                               'file_cancelled' => __('File cancelled.'),
-                               'upload_stopped' => __('Upload stopped.'),
-                               'dismiss' => __('Dismiss'),
-                               'crunching' => __('Crunching&hellip;'),
-                               'deleted' => __('Deleted'),
+
+               $scripts->add( 'press-this', "/wp-admin/js/press-this$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' ),
                ) );
 
-               $this->add( 'jquery-ui-tabs', '/wp-includes/js/jquery/ui.tabs.js', array('jquery'), '3' );
-
-               if ( is_admin() ) {
-                       $this->add( 'ajaxcat', '/wp-admin/js/cat.js', array( 'wp-lists' ), '20071101' );
-                       $this->localize( 'ajaxcat', 'catL10n', array(
-                               'add' => attribute_escape(__('Add')),
-                               'how' => __('Separate multiple categories with commas.')
-                       ) );
-                       $this->add( 'admin-categories', '/wp-admin/js/categories.js', array('wp-lists'), '20071031' );
-                       $this->add( 'admin-tags', '/wp-admin/js/tags.js', array('wp-lists'), '20071031' );
-                       $this->add( 'admin-custom-fields', '/wp-admin/js/custom-fields.js', array('wp-lists'), '20070823' );
-                       $this->add( 'password-strength-meter', '/wp-admin/js/password-strength-meter.js', array('jquery'), '20070405' );
-                       $this->localize( 'password-strength-meter', 'pwsL10n', array(
-                               'short' => __('Too short'),
-                               'bad' => __('Bad'),
-                               'good' => __('Good'),
-                               'strong' => __('Strong')
-                       ) );
-                       $this->add( 'admin-comments', '/wp-admin/js/edit-comments.js', array('wp-lists'), '20080311' );
-                       $this->localize( 'admin-comments', 'adminCommentsL10n', array(
-                               'pending' => __('%i% pending') // must look like: "# blah blah"
-                       ) );
-                       $this->add( 'admin-users', '/wp-admin/js/users.js', array('wp-lists'), '20070823' );
-                       $this->add( 'admin-forms', '/wp-admin/js/forms.js', false, '20080317' );
-                       $this->add( 'xfn', '/wp-admin/js/xfn.js', false, '3517' );
-                       $this->add( 'upload', '/wp-admin/js/upload.js', array('jquery'), '20070518' );
-                       $this->add( 'postbox', '/wp-admin/js/postbox.js', array('jquery'), '20080128' );
-                       $this->localize( 'postbox', 'postboxL10n', array(
-                               'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-                       ) );
-                       $this->add( 'slug', '/wp-admin/js/slug.js', array('jquery'), '20080208' );
-                       $this->localize( 'slug', 'slugL10n', array(
-                               'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-                               'save' => __('Save'),
-                               'cancel' => __('Cancel'),
-                       ) );
-                       $this->add( 'post', '/wp-admin/js/post.js', array('suggest', 'jquery-ui-tabs', 'wp-lists', 'postbox', 'slug'), '20080422' );
-                       $this->localize( 'post', 'postL10n', array(
-                               'tagsUsed' =>  __('Tags used on this post:'),
-                               'add' => attribute_escape(__('Add')),
-                               'addTag' => attribute_escape(__('Add new tag')),
-                               'separate' => __('Separate tags with commas'),
-                               'cancel' => __('Cancel'),
-                               'edit' => __('Edit'),
-                       ) );
-                       $this->add( 'page', '/wp-admin/js/page.js', array('jquery', 'slug', 'postbox'), '20080318' );
-                       $this->localize( 'page', 'postL10n', array(
-                               'cancel' => __('Cancel'),
-                               'edit' => __('Edit'),
-                       ) );
-                       $this->add( 'link', '/wp-admin/js/link.js', array('jquery-ui-tabs', 'wp-lists', 'postbox'), '20080131' );
-                       $this->add( 'comment', '/wp-admin/js/comment.js', array('postbox'), '20080219' );
-                       $this->localize( 'comment', 'commentL10n', array(
-                                       'cancel' => __('Cancel'),
-                                       'edit' => __('Edit'),
-                               ) );
-                       $this->add( 'media-upload', '/wp-admin/js/media-upload.js', false, '20080109' );
-                       $this->localize( 'upload', 'uploadL10n', array(
-                               'browseTitle' => attribute_escape(__('Browse your files')),
-                               'back' => __('&laquo; Back'),
-                               'directTitle' => attribute_escape(__('Direct link to file')),
-                               'edit' => __('Edit'),
-                               'thumb' => __('Thumbnail'),
-                               'full' => __('Full size'),
-                               'icon' => __('Icon'),
-                               'title' => __('Title'),
-                               'show' => __('Show:'),
-                               'link' => __('Link to:'),
-                               'file' => __('File'),
-                               'page' => __('Page'),
-                               'none' => __('None'),
-                               'editorText' => attribute_escape(__('Send to editor &raquo;')),
-                               'insert' => __('Insert'),
-                               'urlText' => __('URL'),
-                               'desc' => __('Description'),
-                               'deleteText' => attribute_escape(__('Delete File')),
-                               'saveText' => attribute_escape(__('Save &raquo;')),
-                               'confirmText' => __("Are you sure you want to delete the file '%title%'?\nClick ok to delete or cancel to go back.")
-                       ) );
-                       $this->add( 'admin-widgets', '/wp-admin/js/widgets.js', array( 'interface' ), '20080407c' );
-                       $this->localize( 'admin-widgets', 'widgetsL10n', array(
-                               'add' => __('Add'),
-                               'edit' => __('Edit'),
-                               'cancel' => __('Cancel'),
-                       ));
-                       $this->add( 'editor', '/wp-admin/js/editor.js', array('tiny_mce'), '20080221' );
-               }
+               $scripts->add( 'editor-expand', "/wp-admin/js/editor-expand$suffix.js", array( 'jquery', 'underscore' ), 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' ) && $scripts->localize( 'comment', 'commentL10n', array(
+                       'submittedOn' => __( 'Submitted on:' ),
+                       /* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
+                       'dateFormat' => __( '%1$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', 'wp-a11y' ), false, 1 );
+
+               $scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'tags-suggest', 'wp-a11y' ), 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'      => trim( _x( ',', 'tag delimiter' ) ),
+                       'saved'      => __( 'Changes saved.' ),
+               ) );
+
+               $scripts->add( 'inline-edit-tax', "/wp-admin/js/inline-edit-tax$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'inline-edit-tax', 'inlineEditL10n', array(
+                       'error' => __( 'Error while saving the changes.' ),
+                       'saved' => __( 'Changes saved.' ),
+               ) );
+
+               $scripts->add( 'plugin-install', "/wp-admin/js/plugin-install$suffix.js", array( 'jquery', 'jquery-ui-core', 'thickbox' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'plugin-install', 'plugininstallL10n', array(
+                       'plugin_information' => __( 'Plugin:' ),
+                       'plugin_modal_label' => __( 'Plugin details' ),
+                       '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' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'updates', '_wpUpdatesSettings', array(
+                       'ajax_nonce' => wp_create_nonce( 'updates' ),
+                       'l10n'       => array(
+                               /* translators: %s: Search string */
+                               'searchResults'              => __( 'Search results for &#8220;%s&#8221;' ),
+                               'searchResultsLabel'         => __( 'Search Results' ),
+                               'noPlugins'                  => __( 'You do not appear to have any plugins available at this time.' ),
+                               'noItemsSelected'            => __( 'Please select at least one item to perform this action on.' ),
+                               'updating'                   => __( 'Updating...' ), // No ellipsis.
+                               'updated'                    => __( 'Updated!' ),
+                               'update'                     => __( 'Update' ),
+                               'updateNow'                  => __( 'Update Now' ),
+                               /* translators: %s: Plugin name and version */
+                               'updateNowLabel'             => __( 'Update %s now' ),
+                               'updateFailedShort'          => __( 'Update Failed!' ),
+                               /* translators: %s: Error string for a failed update */
+                               'updateFailed'               => __( 'Update Failed: %s' ),
+                               /* translators: %s: Plugin name and version */
+                               'updatingLabel'              => __( 'Updating %s...' ), // No ellipsis.
+                               /* translators: %s: Plugin name and version */
+                               'updatedLabel'               => __( '%s updated!' ),
+                               /* translators: %s: 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'               => __( 'Updates may not complete if you navigate away from this page.' ),
+                               'installNow'                 => __( 'Install Now' ),
+                               /* translators: %s: Plugin name */
+                               'installNowLabel'            => __( 'Install %s now' ),
+                               'installing'                 => __( 'Installing...' ),
+                               'installed'                  => __( 'Installed!' ),
+                               'installFailedShort'         => __( 'Install Failed!' ),
+                               /* translators: %s: Error string for a failed installation */
+                               'installFailed'              => __( 'Installation failed: %s' ),
+                               /* translators: %s: Plugin name and version */
+                               'pluginInstallingLabel'      => _x( 'Installing %s...', 'plugin' ), // no ellipsis
+                               /* translators: %s: Theme name and version */
+                               'themeInstallingLabel'       => _x( 'Installing %s...', 'theme' ), // no ellipsis
+                               /* translators: %s: Plugin name and version */
+                               'pluginInstalledLabel'       => _x( '%s installed!', 'plugin' ),
+                               /* translators: %s: Theme name and version */
+                               'themeInstalledLabel'        => _x( '%s installed!', 'theme' ),
+                               /* translators: %s: Plugin name and version */
+                               'pluginInstallFailedLabel'   => _x( '%s installation failed', 'plugin' ),
+                               /* translators: %s: Theme name and version */
+                               'themeInstallFailedLabel'    => _x( '%s installation failed', 'theme' ),
+                               'installingMsg'              => __( 'Installing... please wait.' ),
+                               'installedMsg'               => __( 'Installation completed successfully.' ),
+                               /* translators: %s: Activation URL */
+                               'importerInstalledMsg'       => __( 'Importer installed successfully. <a href="%s">Run importer</a>' ),
+                               /* translators: %s: Theme name */
+                               'aysDelete'                  => __( 'Are you sure you want to delete %s?' ),
+                               /* translators: %s: Plugin name */
+                               'aysDeleteUninstall'         => __( 'Are you sure you want to delete %s and its data?' ),
+                               'aysBulkDelete'              => __( 'Are you sure you want to delete the selected plugins and their data?' ),
+                               'aysBulkDeleteThemes'        => __( 'Caution: These themes may be active on other sites in the network. Are you sure you want to proceed?' ),
+                               'deleting'                   => __( 'Deleting...' ),
+                               /* translators: %s: Error string for a failed deletion */
+                               'deleteFailed'               => __( 'Deletion failed: %s' ),
+                               'deleted'                    => __( 'Deleted!' ),
+                               'livePreview'                => __( 'Live Preview' ),
+                               'activatePlugin'             => is_network_admin() ? __( 'Network Activate' ) : __( 'Activate' ),
+                               'activateTheme'              => is_network_admin() ? __( 'Network Enable' ) : __( 'Activate' ),
+                               /* translators: %s: Plugin name */
+                               'activatePluginLabel'        => is_network_admin() ? _x( 'Network Activate %s', 'plugin' ) : _x( 'Activate %s', 'plugin' ),
+                               /* translators: %s: Theme name */
+                               'activateThemeLabel'         => is_network_admin() ? _x( 'Network Activate %s', 'theme' ) : _x( 'Activate %s', 'theme' ),
+                               'activateImporter'           => __( 'Run Importer' ),
+                               /* translators: %s: Importer name */
+                               'activateImporterLabel'      => __( 'Run %s' ),
+                               'unknownError'               => __( 'An unknown error occurred' ),
+                               'connectionError'            => __( 'Connection lost or the server is busy. Please try again later.' ),
+                               'nonceError'                 => __( 'An error has occurred. Please reload the page and try again.' ),
+                               'pluginsFound'               => __( 'Number of plugins found: %d' ),
+                               'noPluginsFound'             => __( 'No plugins found. Try a different search.' ),
+                       ),
+               ) );
+
+               $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' ), '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' ),
+                       'defaultString' => __( 'Default' ),
+                       'pick' => __( 'Select Color' ),
+                       'current' => __( 'Current Color' ),
+               ) );
+
+               $scripts->add( 'dashboard', "/wp-admin/js/dashboard$suffix.js", array( 'jquery', 'admin-comments', 'postbox' ), false, 1 );
+
+               $scripts->add( 'list-revisions', "/wp-includes/js/wp-list-revisions$suffix.js" );
+
+               $scripts->add( 'media-grid', "/wp-includes/js/media-grid$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(
+                       'error' => __( 'Could not load the preview image. Please reload the page and try again.' )
+               ));
+
+               $scripts->add( 'set-post-thumbnail', "/wp-admin/js/set-post-thumbnail$suffix.js", array( 'jquery' ), false, 1 );
+               did_action( 'init' ) && $scripts->localize( 'set-post-thumbnail', 'setPostThumbnailL10n', array(
+                       'setThumbnail' => __( 'Use as featured image' ),
+                       'saving' => __( 'Saving...' ), // no ellipsis
+                       'error' => __( 'Could not set that as the thumbnail image. Try a different attachment.' ),
+                       'done' => __( 'Done' )
+               ) );
+
+               // 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', 'json2' ) );
+               did_action( 'init' ) && $scripts->localize( 'nav-menu', 'navMenuL10n', array(
+                       '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.' ),
+                       'untitled' => _x( '(no label)', 'missing menu item navigation label' )
+               ) );
+
+               $scripts->add( 'custom-header', "/wp-admin/js/custom-header.js", array( 'jquery-masonry' ), false, 1 );
+               $scripts->add( 'custom-background', "/wp-admin/js/custom-background$suffix.js", array( 'wp-color-picker', 'media-views' ), false, 1 );
+               $scripts->add( 'media-gallery', "/wp-admin/js/media-gallery$suffix.js", array('jquery'), false, 1 );
+
+               $scripts->add( 'svg-painter', '/wp-admin/js/svg-painter.js', array( 'jquery' ), false, 1 );
        }
+}
 
-       /**
-        * Prints script tags
-        *
-        * Prints the scripts passed to it or the print queue.  Also prints all necessary dependencies.
-        *
-        * @param mixed handles (optional) Scripts to be printed.  (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
-        * @return array Scripts that have been printed
+/**
+ * Assign default styles to $styles object.
+ *
+ * Nothing is returned, because the $styles parameter is passed by reference.
+ * Meaning that whatever object is passed will be updated without having to
+ * reassign the variable that was passed back to the same value. This saves
+ * memory.
+ *
+ * Adding default styles is not the only task, it also assigns the base_url
+ * property, the default version, and text direction for the object.
+ *
+ * @since 2.6.0
+ *
+ * @param WP_Styles $styles
+ */
+function wp_default_styles( &$styles ) {
+       include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+       if ( ! defined( 'SCRIPT_DEBUG' ) )
+               define( 'SCRIPT_DEBUG', false !== strpos( $wp_version, '-src' ) );
+
+       if ( ! $guessurl = site_url() )
+               $guessurl = wp_guess_url();
+
+       $styles->base_url = $guessurl;
+       $styles->content_url = defined('WP_CONTENT_URL')? WP_CONTENT_URL : '';
+       $styles->default_version = get_bloginfo( 'version' );
+       $styles->text_direction = function_exists( 'is_rtl' ) && is_rtl() ? 'rtl' : 'ltr';
+       $styles->default_dirs = array('/wp-admin/', '/wp-includes/css/');
+
+       // Open Sans is no longer used by core, but may be relied upon by themes and plugins.
+       $open_sans_font_url = '';
+
+       /* translators: If there are characters in your language that are not supported
+        * by Open Sans, translate this to 'off'. Do not translate into your own language.
         */
-       function print_scripts( $handles = false ) {
-               global $wp_db_version;
-
-               // Print the queue if nothing is passed.  If a string is passed, print that script.  If an array is passed, print those scripts.
-               $handles = false === $handles ? $this->queue : (array) $handles;
-               $this->all_deps( $handles );
-
-               $to_print = apply_filters( 'print_scripts_array', array_keys($this->to_print) );
-
-               foreach( $to_print as $handle ) {
-                       if ( !in_array($handle, $this->printed) && isset($this->scripts[$handle]) ) {
-                               if ( $this->scripts[$handle]->src ) { // Else it defines a group.
-                                       $ver = $this->scripts[$handle]->ver ? $this->scripts[$handle]->ver : $wp_db_version;
-                                       if ( isset($this->args[$handle]) )
-                                               $ver .= '&amp;' . $this->args[$handle];
-                                       $src = 0 === strpos($this->scripts[$handle]->src, 'http://') ? $this->scripts[$handle]->src : get_option( 'siteurl' ) . $this->scripts[$handle]->src;
-                                       $src = $this->scripts[$handle]->src;
-
-                                       if (!preg_match('|^https?://|', $src)) {
-                                               $src = get_option('siteurl') . $src;
-                                       }
-
-                                       $src = add_query_arg('ver', $ver, $src);
-                                       $src = clean_url(apply_filters( 'script_loader_src', $src ));
-                                       $this->print_scripts_l10n( $handle );
-                                       echo "<script type='text/javascript' src='$src'></script>\n";
-                               }
-                               $this->printed[] = $handle;
-                       }
+       if ( 'off' !== _x( 'on', 'Open Sans font: on or off' ) ) {
+               $subsets = 'latin,latin-ext';
+
+               /* translators: To add an additional Open Sans character subset specific to your language,
+                * translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
+                */
+               $subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)' );
+
+               if ( 'cyrillic' == $subset ) {
+                       $subsets .= ',cyrillic,cyrillic-ext';
+               } elseif ( 'greek' == $subset ) {
+                       $subsets .= ',greek,greek-ext';
+               } elseif ( 'vietnamese' == $subset ) {
+                       $subsets .= ',vietnamese';
                }
 
-               $this->to_print = array();
-               return $this->printed;
+               // Hotlink Open Sans, for now
+               $open_sans_font_url = "https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets";
        }
 
-       function print_scripts_l10n( $handle ) {
-               if ( empty($this->scripts[$handle]->l10n_object) || empty($this->scripts[$handle]->l10n) || !is_array($this->scripts[$handle]->l10n) )
-                       return;
+       // Register a stylesheet for the selected admin color scheme.
+       $styles->add( 'colors', true, array( 'wp-admin', 'buttons' ) );
+
+       $suffix = SCRIPT_DEBUG ? '' : '.min';
+
+       // Admin CSS
+       $styles->add( 'common',              "/wp-admin/css/common$suffix.css" );
+       $styles->add( 'forms',               "/wp-admin/css/forms$suffix.css" );
+       $styles->add( 'admin-menu',          "/wp-admin/css/admin-menu$suffix.css" );
+       $styles->add( 'dashboard',           "/wp-admin/css/dashboard$suffix.css" );
+       $styles->add( 'list-tables',         "/wp-admin/css/list-tables$suffix.css" );
+       $styles->add( 'edit',                "/wp-admin/css/edit$suffix.css" );
+       $styles->add( 'revisions',           "/wp-admin/css/revisions$suffix.css" );
+       $styles->add( 'media',               "/wp-admin/css/media$suffix.css" );
+       $styles->add( 'themes',              "/wp-admin/css/themes$suffix.css" );
+       $styles->add( 'about',               "/wp-admin/css/about$suffix.css" );
+       $styles->add( 'nav-menus',           "/wp-admin/css/nav-menus$suffix.css" );
+       $styles->add( 'widgets',             "/wp-admin/css/widgets$suffix.css" );
+       $styles->add( 'site-icon',           "/wp-admin/css/site-icon$suffix.css" );
+       $styles->add( 'l10n',                "/wp-admin/css/l10n$suffix.css" );
+
+       $styles->add( 'wp-admin', false, array( 'dashicons', 'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus', 'widgets', 'site-icon', 'l10n' ) );
+
+       $styles->add( 'login',               "/wp-admin/css/login$suffix.css", array( 'dashicons', 'buttons', 'forms', 'l10n' ) );
+       $styles->add( 'install',             "/wp-admin/css/install$suffix.css", array( 'buttons' ) );
+       $styles->add( 'wp-color-picker',     "/wp-admin/css/color-picker$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( 'buttons' ) );
+
+       $styles->add( 'ie', "/wp-admin/css/ie$suffix.css" );
+       $styles->add_data( 'ie', 'conditional', 'lte IE 7' );
+
+       // Common dependencies
+       $styles->add( 'buttons',   "/wp-includes/css/buttons$suffix.css" );
+       $styles->add( 'dashicons', "/wp-includes/css/dashicons$suffix.css" );
+
+       // Includes CSS
+       $styles->add( 'admin-bar',            "/wp-includes/css/admin-bar$suffix.css", array( '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", array( 'dashicons' ) );
+       $styles->add( 'wp-embed-template-ie', "/wp-includes/css/wp-embed-template-ie$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( 'mediaelement',        "/wp-includes/js/mediaelement/mediaelementplayer.min.css", array(), '2.22.0' );
+       $styles->add( 'wp-mediaelement',     "/wp-includes/js/mediaelement/wp-mediaelement$suffix.css", array( 'mediaelement' ) );
+       $styles->add( 'thickbox',            '/wp-includes/js/thickbox/thickbox.css', array( 'dashicons' ) );
+
+       // Deprecated CSS
+       $styles->add( 'deprecated-media', "/wp-admin/css/deprecated-media$suffix.css" );
+       $styles->add( 'farbtastic',       "/wp-admin/css/farbtastic$suffix.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.
+       $styles->add( 'open-sans', $open_sans_font_url ); // No longer used in core as of 4.6
+
+       // RTL CSS
+       $rtl_styles = array(
+               // wp-admin
+               'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus',
+               'widgets', 'site-icon', 'l10n', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'customize-preview',
+               'ie', 'login', 'press-this',
+               // wp-includes
+               'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer',
+               'wp-jquery-ui-dialog',
+               // deprecated
+               'deprecated-media', 'farbtastic',
+       );
+
+       foreach ( $rtl_styles as $rtl_style ) {
+               $styles->add_data( $rtl_style, 'rtl', 'replace' );
+               if ( $suffix ) {
+                       $styles->add_data( $rtl_style, 'suffix', $suffix );
+               }
+       }
+}
 
-               $object_name = $this->scripts[$handle]->l10n_object;
+/**
+ * Reorder JavaScript scripts array to place prototype before jQuery.
+ *
+ * @since 2.3.1
+ *
+ * @param array $js_array JavaScript scripts array
+ * @return array Reordered array, if needed.
+ */
+function wp_prototype_before_jquery( $js_array ) {
+       if ( false === $prototype = array_search( 'prototype', $js_array, true ) )
+               return $js_array;
 
-               echo "<script type='text/javascript'>\n";
-               echo "/* <![CDATA[ */\n";
-               echo "\t$object_name = {\n";
-               $eol = '';
-               foreach ( $this->scripts[$handle]->l10n as $var => $val ) {
-                       echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
-                       $eol = ",\n";
-               }
-               echo "\n\t}\n";
-               echo "/* ]]> */\n";
-               echo "</script>\n";
+       if ( false === $jquery = array_search( 'jquery', $js_array, true ) )
+               return $js_array;
+
+       if ( $prototype < $jquery )
+               return $js_array;
+
+       unset($js_array[$prototype]);
+
+       array_splice( $js_array, $jquery, 0, 'prototype' );
+
+       return $js_array;
+}
+
+/**
+ * Load localized data on print rather than initialization.
+ *
+ * These localizations require information that may not be loaded even by init.
+ *
+ * @since 2.5.0
+ */
+function wp_just_in_time_script_localization() {
+
+       wp_localize_script( 'autosave', 'autosaveL10n', array(
+               'autosaveInterval' => AUTOSAVE_INTERVAL,
+               'blog_id' => get_current_blog_id(),
+       ) );
+}
+
+/**
+ * Localizes the jQuery UI datepicker.
+ *
+ * @since 4.6.0
+ *
+ * @link http://api.jqueryui.com/datepicker/#options
+ *
+ * @global WP_Locale $wp_locale The WordPress date and time locale object.
+ */
+function wp_localize_jquery_ui_datepicker() {
+       global $wp_locale;
+
+       if ( ! wp_script_is( 'jquery-ui-datepicker', 'enqueued' ) ) {
+               return;
        }
 
-       /**
-        * Determines dependencies of scripts
-        *
-        * Recursively builds array of scripts to print taking dependencies into account.  Does NOT catch infinite loops.
-        *
-        * @param mixed handles Accepts (string) script name or (array of strings) script names
-        * @param bool recursion Used internally when function calls itself
-        */
-       function all_deps( $handles, $recursion = false ) {
-               if ( !$handles = (array) $handles )
+       // Convert the PHP date format into jQuery UI's format.
+       $datepicker_date_format = str_replace(
+               array(
+                       'd', 'j', 'l', 'z', // Day.
+                       'F', 'M', 'n', 'm', // Month.
+                       'Y', 'y'            // Year.
+               ),
+               array(
+                       'dd', 'd', 'DD', 'o',
+                       'MM', 'M', 'm', 'mm',
+                       'yy', 'y'
+               ),
+               get_option( 'date_format' )
+       );
+
+       $datepicker_defaults = wp_json_encode( array(
+               'closeText'       => __( 'Close' ),
+               'currentText'     => __( 'Today' ),
+               'monthNames'      => array_values( $wp_locale->month ),
+               'monthNamesShort' => array_values( $wp_locale->month_abbrev ),
+               'nextText'        => __( 'Next' ),
+               'prevText'        => __( 'Previous' ),
+               'dayNames'        => array_values( $wp_locale->weekday ),
+               'dayNamesShort'   => array_values( $wp_locale->weekday_abbrev ),
+               'dayNamesMin'     => array_values( $wp_locale->weekday_initial ),
+               'dateFormat'      => $datepicker_date_format,
+               'firstDay'        => absint( get_option( 'start_of_week' ) ),
+               'isRTL'           => $wp_locale->is_rtl(),
+       ) );
+
+       wp_add_inline_script( 'jquery-ui-datepicker', "jQuery(document).ready(function(jQuery){jQuery.datepicker.setDefaults({$datepicker_defaults});});" );
+}
+
+/**
+ * Administration Screen CSS for changing the styles.
+ *
+ * If installing the 'wp-admin/' directory will be replaced with './'.
+ *
+ * The $_wp_admin_css_colors global manages the Administration Screens CSS
+ * stylesheet that is loaded. The option that is set is 'admin_color' and is the
+ * color and key for the array. The value for the color key is an object with
+ * a 'url' parameter that has the URL path to the CSS file.
+ *
+ * The query from $src parameter will be appended to the URL that is given from
+ * the $_wp_admin_css_colors array value URL.
+ *
+ * @since 2.6.0
+ * @global array $_wp_admin_css_colors
+ *
+ * @param string $src    Source URL.
+ * @param string $handle Either 'colors' or 'colors-rtl'.
+ * @return string|false URL path to CSS stylesheet for Administration Screens.
+ */
+function wp_style_loader_src( $src, $handle ) {
+       global $_wp_admin_css_colors;
+
+       if ( wp_installing() )
+               return preg_replace( '#^wp-admin/#', './', $src );
+
+       if ( 'colors' == $handle ) {
+               $color = get_user_option('admin_color');
+
+               if ( empty($color) || !isset($_wp_admin_css_colors[$color]) )
+                       $color = 'fresh';
+
+               $color = $_wp_admin_css_colors[$color];
+               $url = $color->url;
+
+               if ( ! $url ) {
                        return false;
+               }
 
-               foreach ( $handles as $handle ) {
-                       $handle = explode('?', $handle);
-                       if ( isset($handle[1]) )
-                               $this->args[$handle[0]] = $handle[1];
-                       $handle = $handle[0];
-
-                       if ( isset($this->to_print[$handle]) ) // Already grobbed it and its deps
-                               continue;
-
-                       $keep_going = true;
-                       if ( !isset($this->scripts[$handle]) )
-                               $keep_going = false; // Script doesn't exist
-                       elseif ( $this->scripts[$handle]->deps && array_diff($this->scripts[$handle]->deps, array_keys($this->scripts)) )
-                               $keep_going = false; // Script requires deps which don't exist (not a necessary check.  efficiency?)
-                       elseif ( $this->scripts[$handle]->deps && !$this->all_deps( $this->scripts[$handle]->deps, true ) )
-                               $keep_going = false; // Script requires deps which don't exist
-
-                       if ( !$keep_going ) { // Either script or its deps don't exist.
-                               if ( $recursion )
-                                       return false; // Abort this branch.
-                               else
-                                       continue; // We're at the top level.  Move on to the next one.
-                       }
-
-                       $this->to_print[$handle] = true;
+               $parsed = parse_url( $src );
+               if ( isset($parsed['query']) && $parsed['query'] ) {
+                       wp_parse_str( $parsed['query'], $qv );
+                       $url = add_query_arg( $qv, $url );
                }
 
-               return true;
+               return $url;
+       }
+
+       return $src;
+}
+
+/**
+ * Prints the script queue in the HTML head on admin pages.
+ *
+ * Postpones the scripts that were queued for the footer.
+ * print_footer_scripts() is called in the footer to print these scripts.
+ *
+ * @since 2.8.0
+ *
+ * @see wp_print_scripts()
+ *
+ * @global bool $concatenate_scripts
+ *
+ * @return array
+ */
+function print_head_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' );
        }
 
+       $wp_scripts = wp_scripts();
+
+       script_concat_settings();
+       $wp_scripts->do_concat = $concatenate_scripts;
+       $wp_scripts->do_head_items();
+
        /**
-        * Adds script
+        * Filters whether to print the head scripts.
         *
-        * Adds the script only if no script of that name already exists
+        * @since 2.8.0
         *
-        * @param string handle Script name
-        * @param string src Script url
-        * @param array deps (optional) Array of script names on which this script depends
-        * @param string ver (optional) Script version (used for cache busting)
-        * @return array Hierarchical array of dependencies
+        * @param bool $print Whether to print the head scripts. Default true.
         */
-       function add( $handle, $src, $deps = array(), $ver = false ) {
-               if ( isset($this->scripts[$handle]) )
-                       return false;
-               $this->scripts[$handle] = new _WP_Script( $handle, $src, $deps, $ver );
-               return true;
+       if ( apply_filters( 'print_head_scripts', true ) ) {
+               _print_scripts();
        }
 
+       $wp_scripts->reset();
+       return $wp_scripts->done;
+}
+
+/**
+ * Prints the scripts that were queued for the footer or too late for the HTML head.
+ *
+ * @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 ( ! ( $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();
+
        /**
-        * Localizes a script
+        * Filters whether to print the footer scripts.
         *
-        * Localizes only if script has already been added
+        * @since 2.8.0
         *
-        * @param string handle Script name
-        * @param string object_name Name of JS object to hold l10n info
-        * @param array l10n Array of JS var name => localized string
-        * @return bool Successful localization
+        * @param bool $print Whether to print the footer scripts. Default true.
         */
-       function localize( $handle, $object_name, $l10n ) {
-               if ( !isset($this->scripts[$handle]) )
-                       return false;
-               return $this->scripts[$handle]->localize( $object_name, $l10n );
+       if ( apply_filters( 'print_footer_scripts', true ) ) {
+               _print_scripts();
        }
 
-       function remove( $handles ) {
-               foreach ( (array) $handles as $handle )
-                       unset($this->scripts[$handle]);
-       }
+       $wp_scripts->reset();
+       return $wp_scripts->done;
+}
 
-       function enqueue( $handles ) {
-               foreach ( (array) $handles as $handle ) {
-                       $handle = explode('?', $handle);
-                       if ( !in_array($handle[0], $this->queue) && isset($this->scripts[$handle[0]]) ) {
-                               $this->queue[] = $handle[0];
-                               if ( isset($handle[1]) )
-                                       $this->args[$handle[0]] = $handle[1];
-                       }
-               }
-       }
+/**
+ * Print scripts (internal use only)
+ *
+ * @ignore
+ *
+ * @global WP_Scripts $wp_scripts
+ * @global bool       $compress_scripts
+ */
+function _print_scripts() {
+       global $wp_scripts, $compress_scripts;
 
-       function dequeue( $handles ) {
-               foreach ( (array) $handles as $handle )
-                       unset( $this->queue[$handle] );
-       }
+       $zip = $compress_scripts ? 1 : 0;
+       if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
+               $zip = 'gzip';
 
-       function query( $handle, $list = 'scripts' ) { // scripts, queue, or printed
-               switch ( $list ) :
-               case 'scripts':
-                       if ( isset($this->scripts[$handle]) )
-                               return $this->scripts[$handle];
-                       break;
-               default:
-                       if ( in_array($handle, $this->$list) )
-                               return true;
-                       break;
-               endswitch;
-               return false;
-       }
+       if ( $concat = trim( $wp_scripts->concat, ', ' ) ) {
 
-}
+               if ( !empty($wp_scripts->print_code) ) {
+                       echo "\n<script type='text/javascript'>\n";
+                       echo "/* <![CDATA[ */\n"; // not needed in HTML 5
+                       echo $wp_scripts->print_code;
+                       echo "/* ]]> */\n";
+                       echo "</script>\n";
+               }
 
-class _WP_Script {
-       var $handle;
-       var $src;
-       var $deps = array();
-       var $ver = false;
-       var $l10n_object = '';
-       var $l10n = array();
-
-       function _WP_Script() {
-               @list($this->handle, $this->src, $this->deps, $this->ver) = func_get_args();
-               if ( !is_array($this->deps) )
-                       $this->deps = array();
-               if ( !$this->ver )
-                       $this->ver = false;
-       }
+               $concat = str_split( $concat, 128 );
+               $concat = 'load%5B%5D=' . implode( '&load%5B%5D=', $concat );
 
-       function localize( $object_name, $l10n ) {
-               if ( !$object_name || !is_array($l10n) )
-                       return false;
-               $this->l10n_object = $object_name;
-               $this->l10n = $l10n;
-               return true;
+               $src = $wp_scripts->base_url . "/wp-admin/load-scripts.php?c={$zip}&" . $concat . '&ver=' . $wp_scripts->default_version;
+               echo "<script type='text/javascript' src='" . esc_attr($src) . "'></script>\n";
        }
+
+       if ( !empty($wp_scripts->print_html) )
+               echo $wp_scripts->print_html;
 }
 
 /**
- * Prints script tags in document head
+ * Prints the script queue in the HTML head on the front end.
+ *
+ * Postpones the scripts that were queued for the footer.
+ * wp_print_footer_scripts() is called in the footer to print these scripts.
  *
- * Called by admin-header.php and by wp_head hook. Since it is called by wp_head on every page load,
- * the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
- * Does make use of already instantiated $wp_scripts if present.
- * Use provided wp_print_scripts hook to register/enqueue new scripts.
+ * @since 2.8.0
  *
- * @see WP_Scripts::print_scripts()
+ * @global WP_Scripts $wp_scripts
+ *
+ * @return array
  */
-function wp_print_scripts( $handles = false ) {
-       do_action( 'wp_print_scripts' );
-       if ( '' === $handles ) // for wp_head
-               $handles = false;
+function wp_print_head_scripts() {
+       if ( ! did_action('wp_print_scripts') ) {
+               /** This action is documented in wp-includes/functions.wp-scripts.php */
+               do_action( 'wp_print_scripts' );
+       }
 
        global $wp_scripts;
-       if ( !is_a($wp_scripts, 'WP_Scripts') ) {
-               if ( !$handles )
-                       return array(); // No need to instantiate if nothing's there.
-               else
-                       $wp_scripts = new WP_Scripts();
+
+       if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+               return array(); // no need to run if nothing is queued
        }
+       return print_head_scripts();
+}
 
-       return $wp_scripts->print_scripts( $handles );
+/**
+ * Private, for use in *_footer_scripts hooks
+ *
+ * @since 3.3.0
+ */
+function _wp_footer_scripts() {
+       print_late_styles();
+       print_footer_scripts();
 }
 
-function wp_register_script( $handle, $src, $deps = array(), $ver = false ) {
-       global $wp_scripts;
-       if ( !is_a($wp_scripts, 'WP_Scripts') )
-               $wp_scripts = new WP_Scripts();
+/**
+ * Hooks to print the scripts and styles in the footer.
+ *
+ * @since 2.8.0
+ */
+function wp_print_footer_scripts() {
+       /**
+        * Fires when footer scripts are printed.
+        *
+        * @since 2.8.0
+        */
+       do_action( 'wp_print_footer_scripts' );
+}
 
-       $wp_scripts->add( $handle, $src, $deps, $ver );
+/**
+ * Wrapper for do_action('wp_enqueue_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 2.8.0
+ */
+function wp_enqueue_scripts() {
+       /**
+        * Fires when scripts and styles are enqueued.
+        *
+        * @since 2.8.0
+        */
+       do_action( 'wp_enqueue_scripts' );
 }
 
 /**
- * Localizes a script
+ * Prints the styles queue in the HTML head on admin pages.
  *
- * Localizes only if script has already been added
+ * @since 2.8.0
  *
- * @see WP_Script::localize()
+ * @global bool $concatenate_scripts
+ *
+ * @return array
  */
-function wp_localize_script( $handle, $object_name, $l10n ) {
-       global $wp_scripts;
-       if ( !is_a($wp_scripts, 'WP_Scripts') )
-               return false;
+function print_admin_styles() {
+       global $concatenate_scripts;
 
-       return $wp_scripts->localize( $handle, $object_name, $l10n );
-}
+       $wp_styles = wp_styles();
 
-function wp_deregister_script( $handle ) {
-       global $wp_scripts;
-       if ( !is_a($wp_scripts, 'WP_Scripts') )
-               $wp_scripts = new WP_Scripts();
+       script_concat_settings();
+       $wp_styles->do_concat = $concatenate_scripts;
+       $wp_styles->do_items(false);
+
+       /**
+        * Filters 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_scripts->remove( $handle );
+       $wp_styles->reset();
+       return $wp_styles->done;
 }
 
 /**
- * Equeues script
+ * Prints the styles that were queued too late for the HTML head.
  *
- * Registers the script if src provided (does NOT overwrite) and enqueues.
+ * @since 3.3.0
  *
- * @see WP_Script::add(), WP_Script::enqueue()
-*/
-function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false ) {
-       global $wp_scripts;
-       if ( !is_a($wp_scripts, 'WP_Scripts') )
-               $wp_scripts = new WP_Scripts();
+ * @global WP_Styles $wp_styles
+ * @global bool      $concatenate_scripts
+ *
+ * @return array|void
+ */
+function print_late_styles() {
+       global $wp_styles, $concatenate_scripts;
+
+       if ( ! ( $wp_styles instanceof WP_Styles ) ) {
+               return;
+       }
 
-       if ( $src ) {
-               $_handle = explode('?', $handle);
-               $wp_scripts->add( $_handle[0], $src, $deps, $ver );
+       script_concat_settings();
+       $wp_styles->do_concat = $concatenate_scripts;
+       $wp_styles->do_footer_items();
+
+       /**
+        * Filters 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_scripts->enqueue( $handle );
+
+       $wp_styles->reset();
+       return $wp_styles->done;
 }
 
-function wp_prototype_before_jquery( $js_array ) {
-       if ( false === $jquery = array_search( 'jquery', $js_array ) )
-               return $js_array;
+/**
+ * Print styles (internal use only)
+ *
+ * @ignore
+ * @since 3.3.0
+ *
+ * @global bool $compress_css
+ */
+function _print_styles() {
+       global $compress_css;
 
-       if ( false === $prototype = array_search( 'prototype', $js_array ) )
-               return $js_array;
+       $wp_styles = wp_styles();
 
-       if ( $prototype < $jquery )
-               return $js_array;
+       $zip = $compress_css ? 1 : 0;
+       if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
+               $zip = 'gzip';
 
-       unset($js_array[$prototype]);
+       if ( $concat = trim( $wp_styles->concat, ', ' ) ) {
+               $dir = $wp_styles->text_direction;
+               $ver = $wp_styles->default_version;
 
-       array_splice( $js_array, $jquery, 0, 'prototype' );
+               $concat = str_split( $concat, 128 );
+               $concat = 'load%5B%5D=' . implode( '&load%5B%5D=', $concat );
 
-       return $js_array;
-}
+               $href = $wp_styles->base_url . "/wp-admin/load-styles.php?c={$zip}&dir={$dir}&" . $concat . '&ver=' . $ver;
+               echo "<link rel='stylesheet' href='" . esc_attr($href) . "' type='text/css' media='all' />\n";
 
-// These localizations require information that may not be loaded even by init
-function wp_just_in_time_script_localization() {
-       wp_localize_script( 'tiny_mce', 'wpTinyMCEConfig', array( 'defaultEditor' => wp_default_editor() ) );
-       wp_localize_script( 'autosave', 'autosaveL10n', array(
-               'autosaveInterval' => AUTOSAVE_INTERVAL,
-               'previewPageText' => __('Preview this Page'),
-               'previewPostText' => __('Preview this Post'),
-               'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-               'savingText' => __('Saving Draft&#8230;')
-       ) );
+               if ( !empty($wp_styles->print_code) ) {
+                       echo "<style type='text/css'>\n";
+                       echo $wp_styles->print_code;
+                       echo "\n</style>\n";
+               }
+       }
+
+       if ( !empty($wp_styles->print_html) )
+               echo $wp_styles->print_html;
 }
 
-add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
-add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
+/**
+ * Determine the concatenation and compression settings for scripts and styles.
+ *
+ * @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;
+
+       $compressed_output = ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') );
+
+       if ( ! isset($concatenate_scripts) ) {
+               $concatenate_scripts = defined('CONCATENATE_SCRIPTS') ? CONCATENATE_SCRIPTS : true;
+               if ( ( ! is_admin() && ! did_action( 'login_init' ) ) || ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) )
+                       $concatenate_scripts = false;
+       }
 
-?>
+       if ( ! isset($compress_scripts) ) {
+               $compress_scripts = defined('COMPRESS_SCRIPTS') ? COMPRESS_SCRIPTS : true;
+               if ( $compress_scripts && ( ! get_site_option('can_compress_scripts') || $compressed_output ) )
+                       $compress_scripts = false;
+       }
+
+       if ( ! isset($compress_css) ) {
+               $compress_css = defined('COMPRESS_CSS') ? COMPRESS_CSS : true;
+               if ( $compress_css && ( ! get_site_option('can_compress_scripts') || $compressed_output ) )
+                       $compress_css = false;
+       }
+}