Index: branches/5.2.x/core/kernel/managers/request_manager.php
===================================================================
diff -u -N -r15252 -r16339
--- branches/5.2.x/core/kernel/managers/request_manager.php	(.../request_manager.php)	(revision 15252)
+++ branches/5.2.x/core/kernel/managers/request_manager.php	(.../request_manager.php)	(revision 16339)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: request_manager.php 15252 2012-03-30 17:49:37Z alex $
+* @version	$Id: request_manager.php 16339 2016-04-02 13:45:52Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -432,7 +432,7 @@
 		/* @var $opener_stack kOpenerStack */
 
 		// change opener stack
-		$default_params = Array ('m_opener' => 'u', '__URLENCODE__' => 1);
+		$default_params = Array ('m_opener' => 'u');
 
 		if ( !$this->Application->ConfigValue('UsePopups') && $opener_stack->getWindowID() ) {
 			// remove wid to show combined header block in editing window