ich habs so gemacht:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="de" lang="de">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>
</title>
</head>
<body>
<h1>seite 2</h1>
<h2>inhalt</h2>
<h3>links</h3>
<a href="">
</body>
</html>