hi,
I have created a simply form with an input like this:

$name = new Zend_Form_Element_Text('name');
$name->setLabel('Nome')
->setRequired(true)
->addFilter('StripTags')
->addFilter('StringTrim')
->addValidator('NotEmpty');

do you know why my input is not valid w3c?
my output-> <input type="text" name="name" id="name" value="">
zend guide output-> <input type="text" name="name" id="name" value="" />

I have to configure something?
Thanks