Sample permalink: Improve accessibility of changing the permalink on Edit Post screen.

Props afercia.
Fixes #34255.
Built from https://develop.svn.wordpress.org/trunk@35229


git-svn-id: http://core.svn.wordpress.org/trunk@35195 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/script-loader.php

@@ -500,7 +500,7 @@ function wp_default_scripts( &$scripts ) {
 			'tagDelimiter' => _x( ',', 'tag delimiter' ),
 		) );
 
-		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count' ), false, 1 );
+		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y' ), false, 1 );
 		did_action( 'init' ) && $scripts->localize( 'post', 'postL10n', array(
 			'ok' => __('OK'),
 			'cancel' => __('Cancel'),
@@ -524,6 +524,7 @@ function wp_default_scripts( &$scripts ) {
 			'published' => __('Published'),
 			'saveAlert' => __('The changes you made will be lost if you navigate away from this page.'),
 			'savingText' => __('Saving Draft…'),
+			'permalinkSaved' => __( 'Permalink saved' ),
 		) );
 
 		$scripts->add( 'press-this', "/wp-admin/js/press-this$suffix.js", array( 'jquery', 'tags-box' ), false, 1 );