/**
* Accepts a renderer
*
* @param HTML_QuickForm_Renderer $renderer An HTML_QuickForm_Renderer object
* @param bool $required Whether a group is required
* @param string $error An error message associated with a group
*/
public function accept(&$renderer, $required = false, $error = null)
{
if ($this->is_tagging_enabled()) {
$renderer->renderElement($this, $required, $error);
} else {
$renderer->renderHidden($this);
}
}