<table tal:define="props python:request.form['properties'].value.split(',')"
       border=1 cellspacing=0 cellpadding=2>
<tr>
 <th align=left tal:repeat="prop props" tal:content="prop"></th>
</tr>
<tr tal:repeat="item klass/list">
 <td align="left" valign="top" tal:repeat="prop props"
     tal:content="python:item[prop]"></td>
</tr>
</table>