<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Test 0280</title>
</head>
<body>
  <time property="rdf:value" datetime="P2011Y06M28DT00H00M00S">2011 years 6 months 28 days</time>
</body>
</html>