It took me long time to work out that in order to subclass Zend_Form_DisplayGroup, you must set the class appropriately. If you're creating your form by subclassing Zend_Form you should use :
$this->setDefaultDisplayGroupClass('App_Form_DisplayGroup'); -- View this message in context: http://www.nabble.com/Zend-Form%3A-Trying-to-add-a-Label-Decorator-to-a-DisplayGroup-tp18097521p24682125.html Sent from the Zend Framework mailing list archive at Nabble.com.