import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

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<html>
<head>
<script>
function doe() {
document.getElementById('a').style.display = 'table-column-group';
document.body.offsetHeight;
}
</script>
<style>
div::before { content:"b";}
div::after { content:"a";}
</style>
</head>
<body onload="document.body.offsetHeight; setTimeout(doe,0);">
<div style="display: table;">
<span id="a" style="display: table-header-group; "></span>
</div>
</body>
</html>