Index: menu.admin.inc
===================================================================
--- menu.admin.inc	(revision 144)
+++ menu.admin.inc	(working copy)
@@ -366,7 +366,7 @@ function menu_item_delete_submit($form, 
  * Process menu and menu item add/edit form submissions.
  */
 function menu_edit_item_submit($form, &$form_state) {
-  $item = $form_state['values']['menu'];
+  $item = &$form_state['values']['menu'];
 
   // The value of "hidden" is the opposite of the value
   // supplied by the "enabled" checkbox.
Index: menu.module
===================================================================
--- menu.module	(revision 144)
+++ menu.module	(working copy)
@@ -296,7 +296,7 @@ function menu_nodeapi(&$node, $op) {
     case 'insert':
     case 'update':
       if (isset($node->menu)) {
-        $item = $node->menu;
+        $item = &$node->menu;
         if (!empty($item['delete'])) {
           menu_link_delete($item['mlid']);
         }