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Test Info:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait"><head>
<title>CSS Test: generated content</title>
<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
<link rel="match" href="before-after-dynamic-attr-001-ref.xht"/>
<meta name="flags" content="dom" />
<style type="text/css">
body {
font-family:sans-serif;
}
body:before {
content:attr(my-attr);
}
body:after {
content:attr(my-attr-2);
}
</style>
<script type="text/javascript">
function fixupDOM() {
document.body.setAttribute("my-attr", "before");
document.body.setAttribute("my-attr-2", "after!");
document.documentElement.className = "";
}
</script>
</head>
<body onload="fixupDOM()" my-attr-2="xyz">
</body></html>