<!DOCTYPE html>
<html>
  <head>
    <title>ASSERTION with cell layout and math scripts</title>
    <meta charset="utf-8"/>
    <script>
      if (window.testRunner)
          testRunner.dumpAsText();
    </script>
  </head>
  <body>

    <p>This test passes if it does not crash</p>

    <p>
      <table>
        <tr>
          <td>
            <math display="block">
              <munder>
                <mtext>a</mtext>
                <mtext>b</mtext>
              </munder>
            </math>
          </td>
        </tr>
      </table>
    </p>

    <p>
      <math>
        <mtr>
          <msub></msub>
        </mtr>
      </math>
    </p>
    
  </body>
</html>