1<html xmlns="http://www.w3.org/1999/xhtml">
2<head>
3
4
5
6</head>
7
8
9<body>
10
11
12<h3>Tables</h3>
13
14<table style="border-collapse: collapse;">
15  <tbody>
16    <tr>
17      <td>td</td>
18    </tr>
19  </tbody>
20  <tbody>
21    <tr style="visibility: collapse;">
22      <td colspan="0">td</td>
23    </tr>
24    <tr>
25      <td>td</td>
26      <td colspan="0">td</td>
27    </tr>
28  </tbody>
29</table>
30
31
32</body>
33</html>
34