public function composeListFromPost(array $postParams) {
        $out  = 'De volgende waardes zijn ingevuld:';
        $out .= self::NEWLINE . self::NEWLINE;
        foreach ($postParams as $key => $value) {
            if (in_array($key, $this->_skippableKeys)) {
                continue;
            }
            if (is_numeric($value) && ($value == 1 || $value == 0)) {
                /**
                 * @todo Do we have to internationalize this?
                 */
                $value = (int)$value ? 'ja' : 'nee';
            }
            $out .= '- ' . $this->getAlias($key) . ': ' . $value . self::NEWLINE;
        }
        $out .= self::NEWLINE;
        return $out;
    }