Zend_Form -> Nicely change setRequired() validate message

Question

Say I create a text element like this:

$firstName = new Zend_Form_Element_Text(\'firstName\');
$firstName->setRequired(true);

Whats

Answer 1

if you put:

$element->setRequired(false);

the validations don't work at all, you have to define:

$element->setAllowEmpty(false);

in order to get the correct behavior of the validations.