Ticket #22975: 22975.custom-fields.3.diff

wp-includes/js/wp-lists.js

@@ -308 +308 @@
         },
 
         add: function( e, s ) {
-                e = $(e);
+                e = $( $.trim(e) );
 
                 var list = $(this), old = false, _s = { pos: 0, id: 0, oldId: null }, ba, ref, color;