Goetas\Twital\EventSubscriber\ContextAwareEscapingSubscriber::addEscaping PHP Method

    public function addEscaping(TemplateEvent $event)
    {
        $doc = $event->getTemplate()->getDocument();
        $xp = new \DOMXPath($doc);
        $xp->registerNamespace("xh", "http://www.w3.org/1999/xhtml");
        $this->esapeScript($doc, $xp);
        $this->esapeStyle($doc, $xp);
        $this->esapeUrls($doc, $xp);
    }