<!DOCTYPE html>
<html class="reftest-wait">
  <head>
    <script>
      function doTest() {
        document.getElementById('t').disabled='true';
        document.documentElement.className='';
      }
      document.addEventListener("MozReftestInvalidate", doTest);
    </script>
  </head>
  <!-- Test: if textarea is disabled, it is barred from constraint validation
             and should not be affected by :-moz-ui-valid pseudo-class. -->
  <link rel='stylesheet' type='text/css' href='style.css'>
  <body>
    <textarea class='notvalid' id='t'></textarea>
  </body>
</html>