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

<bindings xmlns="http://www.mozilla.org/xbl">
  <binding id="foo">
    <content><html:span> &#x200F;&#x0643;&#xCA84;<children/></html:span></content>
  </binding>
  <binding id="empty">
    <content></content>
  </binding>
</bindings>


<script type="text/javascript">
<![CDATA[

function boom()
{
  document.getElementById("b").style.MozBinding = "url('#empty')";
}

]]>
</script>
</head>

<body onload="boom();"><table style="-moz-binding: url(#foo)"><td id="b"/></table></body>

</html>