<html>
<body>
<table border="1">
<tr>
<td>Some text</td>
<td>Some text</td>
</tr>
<tr>
<td></td>
<td>Some text</td>
</tr>
</table>
<p>If the empty cell in the table above is displayed without a border, you can insert a no-breaking space in the empty cell (to display a border): &nbsp;</p>
</body>
</html>