<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>Example 1-1. The simplest XHTML 1.1 document</title>
<meta http-equiv="content-type" content="text/xml; charset=utf-8" />
</head>
<body>
<div>Hello World!</div>
</body>
</html>