<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Undescore Prefix is Ignored Test</title>
</head>
<body>
<p>Ensure that the "_" prefix is ignored.</p>
<p xmlns:_="http://example.org/"
   prefix="_: http://example.org/" 
   xmlns:earl="http://www.w3.org/ns/earl#" 
   rel="earl:testcase" resource="_:test">Test</p>
</body>
</html>