hook('afterParseCode', function ($html) { return preg_replace("/
/i", "", $html);
            });

            $parser->enableHtml(true);
        }

        return str_replace('
', '', $parser->makeHtml($text));
    }

    /**
     * transerCodeClass
     * 
     * @param string $html
     * @return string
     */
    public static function transerCodeClass($html)
    {
        return preg_replace("//i", "", $html);
    }

    /**
     * @param $html
     * @return mixed
     */
    public static function transerComment($html)
    {
        return preg_replace_callback("//s", array('Markdown', 'transerCommentCallback'), $html);
    }

    /**
     * @param $matches
     * @return string
     */
    public static function transerCommentCallback($matches)
    {
        return self::$parser->makeHolder($matches[0]);
    }
}