<!DOCTYPE html>
<meta name=timeout content=long>
<title>HTML entities for various XHTML Doctype</title>
<link rel=help href="http://w3c.github.io/html/xhtml.html#parsing-xhtml-documents">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="test" src="support/xhtml-mathml-dtd-entity.htm"></iframe>

<script>
onload = () => document.getElementById("test").contentWindow.run(
["application/xhtml+xml", "-//W3C//DTD XHTML 1.1//EN", "foo", "XHTML1.1"]);
</script>