<html>
<head>
<title>020 Merged row</title>
</head>
<body>
<table border="1" >
<tr>
<td>single</td>
<td>single</td>
<td>single</td>
<td>single</td>
</tr>
<tr>
<td>single</td>
<td colspan="2">Merged cells. Two in one.</td>
<td>single</td>
</tr>
<tr>
<td>single</td>
<td>single</td>
<td>single</td>
<td>single</td>
</tr>
</table>
</body>
</html>