ZF-4702: autocomplete=off on Zend_Form_Element_Captcha


I would suggest adding autocomplete="off" to the captcha input field. Don't know if there is a valid-html policy for the framework. If so this could prove a problem since this is only valid in Html5, not html4.

Could be implemented using something like this:

 * Constructor
 * $spec may be:
 * - string: name of element
 * - array: options with which to configure element
 * - Zend_Config: Zend_Config with options for configuring element
 * @param  string|array|Zend_Config $spec 
 * @return void
public function __construct($spec, $options = null) 
    parent::__construct($spec, $options);
         ->setAttrib('autocomplete', 'off')
         ->addValidator($this->getCaptcha(), true);


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