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<html xmlns="http://www.w3.org/1999/xhtml">
<head profile="http://www.w3.org/1999/xhtml/vocab">
<title>Test 0091</title>
</head>
<body>
<p about="[_:human]">
A human is
<span property=":definition">a bi-pedal primate</span>.
They are quite possibly one of the most
<span property=":note">confused animal</span>s residing in the
<span property=":foo">Milky Way</span>.
</p>
</body>
</html>