This file demonstrates an invalid <noframes> section (content).

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>aert1.0/6.5.1</title>
</head>
<frameset>
    <noframes>
    <p>Upgrade your browser to one that supports frames!</p>
    </noframes>
</frameset>
<body>
</body>
</html>