Index: branches/RC/core/kernel/nparser/nparser.php
===================================================================
diff -u -N -r10592 -r10598
--- branches/RC/core/kernel/nparser/nparser.php	(.../nparser.php)	(revision 10592)
+++ branches/RC/core/kernel/nparser/nparser.php	(.../nparser.php)	(revision 10598)
@@ -370,8 +370,8 @@
 		$data_exists_bak = $this->DataExists;
 		$this->DataExists = false;
 
-		if ($t == 'platform/elements/content_boxes/sub_categories') {
-			echo '';
+		if (!isset($silent) && array_key_exists('is_silent', $params)) {
+			$silent = $params['is_silent'];
 		}
 
 		$this->PushParams($params);