phug-php/phug

<?php

namespace Phug\Formatter\Format;

class StrictFormat extends XhtmlFormat
{
    const DOCTYPE_DTD = '-//W3C//DTD XHTML 1.0 Strict//EN';
    const DOCTYPE_DTD_URL = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd';
}