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<!DOCTYPE html>
<link rel="author" title="David Shin" href="mailto:dshin@mozilla.com">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<meta name="assert" content="Ensure that style sharing optimizations do not interfere with :has() selector matching.">
<style>
::marker {
font: 15px/1 Ahem;
}
.no-marker::marker {
content: '';
}
</style>
<ul>
<li><span></span></li>
<li class="no-marker"></li>
</ul>