Index: trunk/core/units/general/xml_helper.php
===================================================================
diff -u -r4418 -r4934
--- trunk/core/units/general/xml_helper.php	(.../xml_helper.php)	(revision 4418)
+++ trunk/core/units/general/xml_helper.php	(.../xml_helper.php)	(revision 4934)
@@ -187,7 +187,8 @@
 	function &NextSibling()
 	{
 		if (!is_null($this->Parent)) {
-			return $this->Parent->GetChildByPosition($this->Position + 1);
+			$ret =& $this->Parent->GetChildByPosition($this->Position + 1);
+			return $ret;
 		}
 		else {
 			$false = false;