This file demonstrates a <script> that is not keyboard accessible (onMouseUp).

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>aert1.0/9.3.1</title>
</head>
<body>
<p onMouseUp="blah"></p>
</body>
</html>