xxxxxxxxxx
<!DOCTYPE html>
<html>
<head>
<meta name="date" content="2009-01-02" scheme="YYYY-MM-DD">
<meta name="identifier" content="0-2345-6634-6" scheme="ISBN">
</head>
<body>
<h1>My Website</h1>
<p>Some text...</p>
</body>
</html>