This file demonstrates a <frame> that has an invalid "title" (null).

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>aert1.0/12.1.1</title>
</head>
<frameset>
<frame title=""></frame>
</frameset>
<body>
</body>
</html>