Ticket #27762: 27762.diff

src/wp-includes/nav-menu-template.php

@@ -189 +189 @@
          * @param array  $args   An array of arguments. @see wp_nav_menu()
          */
         function end_el( &$output, $item, $depth = 0, $args = array() ) {
-                $output .= "</li>\n";
+                $output .= "</li>";
         }
 
 } // Walker_Nav_Menu