gecko-dev/layout/reftests/bugs/579655-1.html

<!DOCTYPE html>
<html>
<body>
 <table>
   <td>
     <p>Hello</p>
      <body style="white-space:pre">
      </body>
   </td>
   <td>
     <body contenteditable="true">
     </body>
   </td>
 </table>
</body>
</html>