1<html xmlns="http://www.w3.org/1999/xhtml">
2<body onload="document.getElementById('w').setAttribute('rowspan', 0);">
3
4<table>
5  <tbody>
6    <tr></tr>
7    <tr>
8      <td id="w">y</td>
9    </tr>
10  </tbody>
11</table>
12
13</body>
14</html>
15