<html>
<body bgcolor=#c0c0c0>
<table border=10 cellspacing=10>
<tr>
<td rowspan=2>cell1</td>
<td>cell2</td>
</tr>
<tr>
</tr>
</table>
<p>See the behaviour when there is one more row:</p>
<table border=10 cellspacing=10>
<tr>
<td rowspan=2>cell1</td>
<td>cell2</td>
</tr>
<tr>
</tr>
<tr>
<td>cell3</td><td>cell4</td>
</tr>
</table>
<p>Now move the rowspan to cell2 to have even more fun:</p>
<table border=10 cellspacing=10>
<tr>
<td>cell1</td>
<td rowspan=2>cell2</td>
</tr>
<tr>
</tr>
<tr>
<td>cell3</td><td>cell4</td>
</tr>
</table>
</body>
</html>