Ticket #23665: 23665.diff

wp-admin/includes/ajax-actions.php

@@ -1075 +1075 @@
                                 $id = $post->ID;
                 }
 
-                // When is_wp_error($id), $id overwrites $data in WP_Ajax_Response
-                // todo: Needs review. The errors generated in WP_Ajax_Response and parsed with wpAjax.parseAjaxResponse() haven't been used for years.
                 if ( ! is_wp_error($id) ) {
                         /* translators: draft saved date format, see http://php.net/date */
                         $draft_saved_date_format = __('g:i:s a');
@@ -1090 +1088 @@
                         $id = $post->ID;
         }
 
+        // Consider exposing any errors, rather than having 'Saving draft...'
         $x = new WP_Ajax_Response( array(
                 'what' => 'autosave',
                 'id' => $id,