1<?xml version="1.0" encoding="UTF-8"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3 4<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 5<head> 6 <meta http-equiv="content-type" content="application/xhtml+xml; charset=UTF-8"/> 7 <title>Test case</title> 8</head> 9 10<body> 11 <h1>Test case</h1> 12 <p>This document is not detected as application/xhtml+xml.</p> 13</body> 14</html> 15