mozilla-release/layout/mathml/crashtests/347355-1-inner.xhtml

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script>

function foo()
{
  var mrow = document.getElementById("mrow")

  mrow.parentNode.removeChild(mrow);
}

</script>
</head>

<body onload="setTimeout(foo, 100)">

<div>
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow id="mrow">
    <mtd><img xmlns="http://www.w3.org/1999/xhtml" src="347355-1.gif" /></mtd>
    <mtable>      <mtr>         <mtd><mi>t</mi></mtd>      </mtr>    </mtable>
  </mrow>
</math>
</div>

</body>

</html>