pty pseudo-class and whitespace">
  <link rel="last" href="css3-modsel-d4.html" title="Dynamic updating of :first-child and :last-child">
  <link rel="up" href="./index.html">
  <link rel="top" href="../../index.html">
 </head>
 <body>
 <address><!-- --><?test random PI></address>
 <div class="text">This line should have a green background.</div>
 <p>(Note: This test is based on unpublished errata.)</p>
</body>
</html>