Improve hook docs for the `wp_enqueue_editor` hook, added in 3.9.

See #16284, #27700.

Built from https://develop.svn.wordpress.org/trunk@28026


git-svn-id: http://core.svn.wordpress.org/trunk@27856 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-editor.php

@@ -735,13 +735,17 @@ final class _WP_Editors {
 		}
 
 		/**
-		 * Fires when scripts and styles are enqueued for the editor
+		 * Fires when scripts and styles are enqueued for the editor.
 		 *
 		 * @since 3.9.0
 		 *
-		 * @param array An array containing boolean values whether TinyMCE and Quicktags are being loaded.
+		 * @param array $to_load An array containing boolean values whether TinyMCE
+		 *                       and Quicktags are being loaded.
 		 */
-		do_action( 'wp_enqueue_editor', array( 'tinymce' => self::$has_tinymce, 'quicktags' => self::$has_quicktags ) ); 
+		do_action( 'wp_enqueue_editor', array(
+			'tinymce'   => self::$has_tinymce,
+			'quicktags' => self::$has_quicktags,
+		) );
 	}
 
 	public static function wp_mce_translation() {