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<!doctype html>
<!--
Any copyright is dedicated to the Public Domain.
-->
<html><head>
<meta charset="utf-8">
<title>Reference: content:none on various table boxes</title>
<link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1699964">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<meta name="flags" content="ahem">
<style>
html,body {
color:black; background-color:white; font:10px/1 Ahem; padding:0; margin:0;
}
body { margin-left: 3ch; }
body * {
border:3px solid;
}
.after::after { content: 'A'; }
.before::before { content: 'B'; }
x-table { display:table }
x-thead { display:table-row-group }
x-tr { display:table-row }
x-td { display:table-cell }
</style>
</head>
<body>
<table><thead><tr><td class="c"></td></tr></thead></table>
<table><thead><tr class="c"></tr></thead></table>
<table><thead class="c"></thead></table>
<table class="c"></thead></table>
<table><thead><tr><td class="c"></td><td>PASS</td></tr></thead></table>
<table><thead><tr class="c"></tr><tr><td>PASS</td></tr></thead></table>
<table><thead class="c"></thead><thead><tr><td>PASS</td></tr></thead></table>
<x-table><x-thead><x-tr><x-td class="c"></x-td></x-tr></x-thead></x-table>
<x-table><x-thead><x-tr class="c"></x-tr></x-thead></x-table>
<x-table><x-thead class="c"></x-thead></x-table>
<x-table class="c"></x-table>
<x-table><x-thead><x-tr><x-td class="c"></x-td><x-td>PASS</x-td></x-tr></x-thead></x-table>
<x-table><x-thead><x-tr class="c"></x-tr><x-tr><x-td>PASS</x-td></x-tr></x-thead></x-table>
<x-table><x-thead class="c"></x-thead><x-thead><x-tr><x-td>PASS</x-td></x-tr></x-thead></x-table>
</body>
</html>