Ticket #17955: 17955.2.diff

wp-includes/taxonomy.php

@@ -1154 +1154 @@
         if ( !is_array($taxonomies) ) {
                 $single_taxonomy = true;
                 $taxonomies = array($taxonomies);
+        } elseif ( 1 == count( $taxonomies ) ) {
+                $single_taxonomy = true;
         }
 
         foreach ( $taxonomies as $taxonomy ) {