Index: trunk/core/kernel/parser/tags.php
===================================================================
diff -u -N -r7635 -r8374
--- trunk/core/kernel/parser/tags.php	(.../tags.php)	(revision 7635)
+++ trunk/core/kernel/parser/tags.php	(.../tags.php)	(revision 8374)
@@ -333,22 +333,19 @@
 					$code[] = ' }';
 				}
 				else {
-
-					$check = $this->GetParam('check');
+					$check = isset($pass_params['check']) && $pass_params['check'] ? $pass_params['check'] : false; // $this->GetParam('check');
 					if ($check) {
 						if (strpos($check, '_') !== false) {
 							list($prefix, $function) = explode('_', $check, 2);
 						}
 						else {
 							$function = $check;
-							$prefix = '$PrefixSpecial';
-
-//							$prefix = $this->Parser->GetParam('PrefixSpecial');
+							$prefix = '$PrefixSpecial'; // $this->Parser->GetParam('PrefixSpecial');
 						}
 					}
 					else {
-						$prefix = $this->GetParam('prefix');
-						$function = $this->GetParam('function');
+						$prefix = $pass_params['prefix']; // $this->GetParam('prefix');
+						$function = $pass_params['function']; // $this->GetParam('function');
 					}
 
 					$code[] = '$tmp = $application->processPrefix("'.$prefix.'");'."\n";