Ticket #5245: 5245-2.diff

wp-includes/taxonomy.php

@@ -1029 +1029 @@
                 $orderby = 'tt.count';
         else if ( 'name' == $orderby )
                 $orderby = 't.name';
+        else if ( 'slug' == $orderby )
+                $orderby = 't.slug';
+        else if ( 'term_group' == $orderby )
+                $orderby = 't.term_group';
+        else
+                $orderby = 't.term_id';
 
         $taxonomies = "'" . implode("', '", $taxonomies) . "'";
         $object_ids = implode(', ', $object_ids);