* <p> <keygen> </p>
* <li> <keygen> </li>
* <tr> <keygen> </tr>
* <td> <keygen> </td>
* <th> <keygen> </th>
* <body> <keygen> </body>
* <colgroup> <keygen> </colgroup>
* <dd> <keygen> </dd>
* <dt> <keygen> </dt>
* <head> <keygen> </head>
* <html> <keygen> </html>
* <option> <keygen> </option>
* <tbody> <keygen> </tbody>
* <thead> <keygen> </thead>
* <tfoot> <keygen> </tfoot>

* <p> <keygen/> </p>
* <li> <keygen/> </li>
* <tr> <keygen/> </tr>
* <td> <keygen/> </td>
* <th> <keygen/> </th>
* <body> <keygen/> </body>
* <colgroup> <keygen/> </colgroup>
* <dd> <keygen/> </dd>
* <dt> <keygen/> </dt>
* <head> <keygen/> </head>
* <html> <keygen/> </html>
* <option> <keygen/> </option>
* <tbody> <keygen/> </tbody>
* <thead> <keygen/> </thead>
* <tfoot> <keygen/> </tfoot>

* <keygen>
* <keygen/>
* <keygen attr="something">
* <keygen attr="something"/>
* <keygen attr="something" attr2="someotherthing">
* <keygen attr="something" attr2="someotherthing"/>
* <keygen attr="something"
* attr2="someotherting">
* <keygen attr="something"
* attr2="someotherting"/>
