Index: branches/unlabeled/unlabeled-1.12.2/core/kernel/parser/tags.php
===================================================================
diff -u -r5549 -r5718
--- branches/unlabeled/unlabeled-1.12.2/core/kernel/parser/tags.php	(.../tags.php)	(revision 5549)
+++ branches/unlabeled/unlabeled-1.12.2/core/kernel/parser/tags.php	(.../tags.php)	(revision 5718)
@@ -313,6 +313,7 @@
 		switch ( $this->Tag ) {
 			case 'DefaultParam':
 				foreach ($this->NP as $key => $val)	{
+					$code[] = 'if (!$'.$key.') $application->Parser->SetParam(\''.$key.'\', \''.$val.'\');';
 					$code[] = '$'.$key.' = $'.$key.' ? $'.$key.' : \''.$val.'\';';
 				}
 				return $code;
@@ -373,7 +374,7 @@
 		}
 		else {
 			$processor_to_check = $tmp_processor;
-		}  */  
+		}  */
 
 		$code[] = '$tmp = $application->processPrefix("'.$this->getPrefixSpecial().'");'."\n";