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<root>
<link rel="author" title="L. David Baron" href="https://dbaron.org/"/>
<link rel="author" title="Mozilla" href="http://mozilla.org/"/>
<title>CSS Namespaces Test Suite reference</title>
<style>
t, root { display:block }
t { background:lime }
</style>
</head>
<t>This sentence should have a green background.</t>
<t>This sentence should have a green background.</t>
</root>