Index: branches/RC/core/kernel/processors/main_processor.php
===================================================================
diff -u -r9238 -r9274
--- branches/RC/core/kernel/processors/main_processor.php	(.../main_processor.php)	(revision 9238)
+++ branches/RC/core/kernel/processors/main_processor.php	(.../main_processor.php)	(revision 9274)
@@ -1039,6 +1039,10 @@
 		}
 
 		header('Content-type: text/xml; charset='.$lang->GetDBField('Charset'));
+
+		if (isset($params['xml_version']) && $params['xml_version']) {
+			return '<?xml version="'.$params['xml_version'].'" encoding="'.$lang->GetDBField('Charset').'"?>';
+		}
 	}
 
 	function Header($params)