* takes a string of unicode entities and converts it to a tis-620 encoded string
* Unsupported characters are replaced with ?.
*
- * @copyright 2004-2009 The SquirrelMail Project Team
+ * @copyright 2004-2011 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id$
* @package squirrelmail