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<!DOCTYPE HTML>
<!--
Any copyright is dedicated to the Public Domain.
-->
<html><head>
<meta charset="utf-8">
<title>Reference: Fragmentation edge cases</title>
<link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1144096">
<style type="text/css">
html,body {
color:black; background-color:white; font-size:16px; padding:0; margin:0;
}
body { overflow:hidden; }
.columns {
position:relative;
-ms-columns: 5;
-webkit-columns: 5;
columns: 5;
-ms-column-fill: auto;
-webkit-column-fill: auto;
column-fill: auto;
border: 2px solid salmon;
margin-bottom: 5px;
}
.grid {
display: grid;
height: 90px;
grid-template-columns: 30px 30px;
grid-auto-rows: 30px;
grid-gap: 12px;
border:5px solid;
}
span { background:lime; border:1px solid black; }
x { display:block; height:20px; }
.break-before { page-break-before:always; break-before:always; }
.break-after { page-break-after:always; break-after:always; }
</style>
</head>
<body>
<!-- grid wrapped in inline -->
<div class="columns" style="height: 40px">
<div style="padding-top:2px; background:grey">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div>
<!-- grid wrapped in inline with orthogonal writing-mode -->
<div class="columns" style="width: 40px; height:40px;">
<div style="padding-top:2px; background:grey">
<div class="grid" style="overflow:hidden; writing-mode:vertical-lr">
<span style="grid-row:span 2;"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div>
<!-- grid wrapped in overflow:hidden block -->
<div class="columns" style="height: 40px; margin-top:70px">
<div style="padding-top:2px; background:grey">
<div class="grid" style="overflow:hidden">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div>
<!-- grid wrapped in FIELDSET block -->
<div class="columns" style="height: 40px; margin-top:70px">
<div style="padding-top:2px; background:grey">
<div style="border:none; padding:0; margin:0">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div></div>
<!-- grid wrapped in FIELDSET inline -->
<div class="columns" style="height: 40px; margin-left:200px">
<div style="padding-top:2px; background:grey">
<div style="display:inline-block; border:none; padding:0; margin:0">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div></div>
<!-- grid wrapped in FIELDSET overflow:hidden block -->
<div class="columns" style="height: 40px; margin-left:400px">
<div style="padding-top:2px; background:grey">
<div style="display:block; overflow:hidden; border:none; padding:0; margin:0; width:min-content">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div></div>
<!-- grid with orthogonal writing-mode to fragmentainer -->
<div class="columns" style="height: 40px; margin-top:70px">
<div style="padding-top:2px; background:grey">
<y>
<div class="grid" style="overflow:hidden; writing-mode:vertical-lr">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></y></div></div>
<!-- vertical grid and fragmentainer with intermediary horizontal writing-mode inline -->
<!-- XXX bug 1242660: remove the visibility:hidden DIV when we know what the rendering should be -->
<div style="visibility:hidden">
<div class="columns" style="width: 50px; writing-mode:vertical-lr; margin-top:70px">
<div style="padding-top:2px; background:grey">
<y style="writing-mode:horizontal-lr">
<div class="grid" style="writing-mode:vertical-lr">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></y></div></div>
</div>
</body>
</html>