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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
   "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
    <head>
        <title>Invalid Test Document</title>
    </head>
    <body>
        <h1>Invalid Test Document</h2>
        <p>This is a test document</p>
    </body>
</html>