src/test/resources/epub3/files/content-document-xhtml/attrs-custom-ns-reserved-error.xhtml

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head>
		<meta charset="utf-8" />
		<title>Test</title>
	</head>
	<body w3:attr="disallowed" idpf:attr="disallowed" ok:attr="allowed"
		xmlns:w3="http://example.w3.org" xmlns:idpf="http://example.idpf.org"
		xmlns:ok="http://example.org/w3.org">
		<h1>Test</h1>
	</body>
</html>