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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<!DOCTYPE html>
<html><head>
<style>
body > span::first-line { }
span::before { content:"before text"; border:3px solid black;}
</style>
</head>
<body>
<span style=" float: left; -moz-column-count: 2;">
<span style="float: right;">
<span style=" float: right;-moz-column-count: 2;"></span>
</span>
</span>
</body>
</html>