--- typo3_src-4.3.3/typo3/sysext/cms/tslib/class.tslib_fe.php	2010-04-27 17:10:03.000000000 +0200
+++ typo3_src-4.3.3/typo3/sysext/cms/tslib/class.tslib_fe_orginal.php	2010-04-27 17:08:19.000000000 +0200
@@ -3351,7 +3351,7 @@
 		$enableOutput = (!$this->jumpurl);
 
 			// Call hook for possible disabling of output:
-		if (isset($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['isOutputting']) and is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['isOutputting']))	{
+		if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['isOutputting']))	{
 			$_params = array('pObj' => &$this, 'enableOutput' => &$enableOutput);
 			foreach($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['isOutputting'] as $_funcRef)	{
 				t3lib_div::callUserFunction($_funcRef,$_params,$this);