<?xml version="1.0"?>
<!--
long comment long comment long comment long comment long comment long comment
long comment long comment long comment long comment long comment long comment
long comment long comment long comment long comment long comment long comment
long comment long comment long comment long comment long comment long comment
long comment long comment long comment long comment long comment long comment
long comment long comment long comment long comment long comment long comment
long comment long comment long comment long comment long comment long comment
-->
<!DOCTYPE a [
<!ELEMENT a EMPTY>
]>
<a/>
