The |page filter now supports passing an empty string to generate a link to the current page.

CHANGELOG.md

@@ -1,3 +1,6 @@
+* **Build 25x** (2015-05-xx)
+  - The `|page` filter now supports passing an empty string to generate a link to the current page.
+
 * **Build 258** (2015-05-09)
   - The hotkey for full screen mode is now Cmd+Shift+F or Ctrl+Shift+F in Windows.
 

modules/cms/classes/Controller.php

@@ -1063,7 +1063,7 @@ class Controller
     public function pageUrl($name, $parameters = [], $routePersistence = true)
     {
         if (!$name) {
-            return null;
+            return $this->currentPageUrl($parameters, $routePersistence);
         }
 
         /*