Ticket #7392: 7392.3.diff

wp-includes/js/autosave.js

@@ -7 +7 @@
                         if ( 'content' == editor.id ) {
                                 editor.onLoad.add( function() {
                                         editor.save();
-                                        autosaveLast = wp.autosave.getCompareString();
+                                        if ( typeof switchEditors != 'undefined' ) {
+                                                autosaveLast = wp.autosave.getCompareString({
+                                                        post_title : $('#title').val() || '',
+                                                        content : switchEditors.pre_wpautop( $('#content').val() ) || '',
+                                                        excerpt : $('#excerpt').val() || '',
+                                                });
+                                        } else {
+                                                autosaveLast = wp.autosave.getCompareString();
+                                        }
                                 });
                         }
                 });