<html>
  <head>
    <style>
      :before {
        content: ""
      }
    </style>
  </head>
  <body onload="document.linkColor=0;">
    <ruby>
      <rt></rt>
    </ruby>
    <ruby style="float: left">
      <rt></rt>
    </ruby>
    <script>
      if (window.testRunner)
          testRunner.dumpAsText();
    </script>
    This test passes if it doesn't crash.
  </body>
</html>