Index: branches/5.2.x/core/units/helpers/priority_helper.php
===================================================================
diff -u -N -r14610 -r15130
--- branches/5.2.x/core/units/helpers/priority_helper.php	(.../priority_helper.php)	(revision 14610)
+++ branches/5.2.x/core/units/helpers/priority_helper.php	(.../priority_helper.php)	(revision 15130)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: priority_helper.php 14610 2011-10-03 14:48:11Z alex $
+* @version	$Id: priority_helper.php 15130 2012-03-03 18:38:32Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -25,7 +25,7 @@
 		 * @param string $joins left joins, used by constrain (if any)
 		 *
 		 */
-		function preparePriorities(&$event, $is_new = false, $constrain = '', $joins = '')
+		function preparePriorities($event, $is_new = false, $constrain = '', $joins = '')
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -82,7 +82,7 @@
 		 * @param string $joins
 		 * @return Array
 		 */
-		function updatePriorities(&$event, $changes, $new_ids, $constrain = '', $joins = '')
+		function updatePriorities($event, $changes, $new_ids, $constrain = '', $joins = '')
 		{
 			// TODO: no need pass external $constrain, since the one from $pair is used
 
@@ -178,7 +178,7 @@
 		 * @param string $joins
 		 * @return Array
 		 */
-		function recalculatePriorities(&$event, $constrain = '', $joins = '')
+		function recalculatePriorities($event, $constrain = '', $joins = '')
 		{
 			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
 			$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');