Index: trunk/kernel/include/parse.php
===================================================================
diff -u -r537 -r568
--- trunk/kernel/include/parse.php	(.../parse.php)	(revision 537)
+++ trunk/kernel/include/parse.php	(.../parse.php)	(revision 568)
@@ -252,6 +252,7 @@
     		else
     		{
       			//$ret = "{Unknown Tag:" .$this->name."}";
+      			$ret = '';
     		}
 		}
     	return $ret;