<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>XHTML Tables</title>
  <style type="text/css">
   table, td { border: 1px solid blue; border-spacing: 20px; }
   td { padding: 20px; } /* and yes, empty-cells defaults to show */
  </style>
 </head>
 <body>
  <p>The following two diagrams should look identical.</p>
  <table>
   <colgroup><col/><col/></colgroup>
   <tbody>
    <tr>
     <td colspan="2"></td>
    </tr>
    <tr>
     <td/> <td/>
    </tr>
   </tbody>
  </table>
  <p><img src="001.png" alt="The second diagram can be found in 001.png."/></p>
 </body>
</html>
