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Test Info:

<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body:first-letter { float: right; }
</style>
<script type="text/javascript">
function boom()
{
var t = document.body.firstChild;
var se = document.getElementById("se");
se.appendChild(t); // !!!
document.body.appendChild(se);
se.appendChild(document.createTextNode(" "));
}
</script>
</head>
<body onload="boom();">&#xFEB7;
<div id="se" style="display: none;"></div></body>
</html>