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Test Info:

<!DOCTYPE html>
<html>
<head>
</head>
<body onload="document.removeChild(document.documentElement)">
<!-- The order of the two iframes matters! -->
<iframe src='data:text/html,<body onload="s = parent.document.getElementById(&apos;s&apos;).contentWindow;" onunload="s.location = s.location;">'></iframe>
<iframe id="s"></iframe>
</body>
</html>