Ticket #10366: 10366.diff

wp-admin/js/common.dev.js

@@ -50 +50 @@
                         el.css('display','');
                 }).parent().toggleClass( 'wp-menu-open' );
 
-                $('.wp-has-submenu', '#adminmenu').each(function(i, e) {
+                $('li.wp-has-submenu', '#adminmenu').each(function(i, e) {
                         var v = $(e).hasClass('wp-menu-open') ? 'o' : 'c';
                         setUserSetting( 'm'+i, v );
                 });