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<!DOCTYPE html>
<html class="reftest-wait">
<head>
<!-- dbaron thinks the validity of this test is questionable, see
     https://bugzilla.mozilla.org/show_bug.cgi?id=477462#c20 and #c21 -->
<style type="text/css">
#table {
 display: table;
 width: 100px;
}
#caption1 {
 display: table-caption;
 height: 20px;
 background-color: red;
 margin-bottom: 10px;
}
#caption2 {
 display: none;
 height: 20px;
 background-color: blue;
 margin: 20px 0;
}
#caption3 {
 display: table-caption;
 height: 20px;
 background-color: green;
 margin-top: 10px;
}
</style>
<script type="text/javascript">
function test() {
 document.getElementById('caption2').style.display = 'table-caption';
 document.documentElement.removeAttribute('class');
}
document.addEventListener('MozReftestInvalidate', test, false);
</script>
</head>
<body>
<div id="table">
 <div id="caption1"></div>
 <div id="caption2"></div>
 <div id="caption3"></div>
</div>
</body>
</html>