* <optgroup> </OPTGROUP>
* <optgroup> <li> </li> </OPTGROUP>
* <optgroup> <li> </OPTGROUP>
* <optgroup> </li> </OPTGROUP>
* <optgroup> <tr> </tr> </OPTGROUP>
* <optgroup> <tr> </OPTGROUP>
* <optgroup> </tr> </OPTGROUP>
* <optgroup> <td> </td> </OPTGROUP>
* <optgroup> <td> </OPTGROUP>
* <optgroup> </td> </OPTGROUP>
* <optgroup> <th> </th> </OPTGROUP>
* <optgroup> <th> </OPTGROUP>
* <optgroup> </th> </OPTGROUP>
* <optgroup> <body> </body> </OPTGROUP>
* <optgroup> <body> </OPTGROUP>
* <optgroup> </body> </OPTGROUP>
* <optgroup> <colgroup> </colgroup> </OPTGROUP>
* <optgroup> <colgroup> </OPTGROUP>
* <optgroup> </colgroup> </OPTGROUP>
* <optgroup> <dd> </dd> </OPTGROUP>
* <optgroup> <dd> </OPTGROUP>
* <optgroup> </dd> </OPTGROUP>
* <optgroup> <dt> </dt> </OPTGROUP>
* <optgroup> <dt> </OPTGROUP>
* <optgroup> </dt> </OPTGROUP>
* <optgroup> <head> </head> </OPTGROUP>
* <optgroup> <head> </OPTGROUP>
* <optgroup> </head> </OPTGROUP>
* <optgroup> <html> </html> </OPTGROUP>
* <optgroup> <html> </OPTGROUP>
* <optgroup> </html> </OPTGROUP>
* <optgroup> <option> </option> </OPTGROUP>
* <optgroup> <option> </OPTGROUP>
* <optgroup> </option> </OPTGROUP>
* <optgroup> <tbody> </tbody> </OPTGROUP>
* <optgroup> <tbody> </OPTGROUP>
* <optgroup> </tbody> </OPTGROUP>
* <optgroup> <tfoot> </tfoot> </OPTGROUP>
* <optgroup> <tfoot> </OPTGROUP>
* <optgroup> </tfoot> </OPTGROUP>
* <optgroup style="color:red"
*
* > <!--HTML COMMENT-->  </OptGroup
*
* >
