<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>name vs id in anchor elements</title>
</head>
<body>
  <p><a id="ab">a</a></p>
</body>
</html>