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Mercurial (d8847129d134)

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<!DOCTYPE HTML>
<html>
<head>
<style>
body::first-letter { float: left; }
</style>
</head>
<body style="width:0">
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm
<span id="a"></span>
<script>
document.body.offsetWidth;
document.getElementById('a').setAttribute('style', 'display: block;');
</script>
</body>
</html>