protected function addFilter_safeDecodeRaw()
{
$rawSafeDecoded = new Twig_SimpleFilter('rawSafeDecoded', function ($string) {
$string = str_replace('+', '%2B', $string);
$string = str_replace(' ', html_entity_decode(' '), $string);
$string = SafeDecodeLabel::decodeLabelSafe($string);
return piwik_fix_lbrace($string);
}, array('is_safe' => array('all')));
$this->twig->addFilter($rawSafeDecoded);
}