0264-isvalid.html
<!DOCTYPE html>
<html>
<head property="rdfs:seeAlso" resource="http://www.example.org">
<meta charset=utf-8>
<title>Test 0264</title>
</head>
<body>
<p> </p>
</body>
</html>
<!DOCTYPE html>
<html>
<head property="rdfs:seeAlso" resource="http://www.example.org">
<meta charset=utf-8>
<title>Test 0264</title>
</head>
<body>
<p> </p>
</body>
</html>