I found some missing spaces in qa-app-format.php, which minorly brokes HTML.
Buggy php code is first, second is corrected one
/* line 1357 */
$fields['notify']['tags'].='ID="'.$fieldprefix.'notify" onclick="if (document.getElementById(\''.$fieldprefix.'notify\').checked) document.getElementById(\''.$fieldprefix.'email\').focus();"';
$fields['notify']['tags'].=' ID="'.$fieldprefix.'notify" onclick="if (document.getElementById(\''.$fieldprefix.'notify\').checked) document.getElementById(\''.$fieldprefix.'email\').focus();"';
/* line:377 */
$onclick='onClick="return qa_vote_click(this);"';
$onclick=' onClick="return qa_vote_click(this);"';