Copyright (c) <years> <copyright holder>. All rights reserved.

Author: <author>

Permission to use, copy, modify and distribute this software and
its documentation is hereby granted, provided that both the copyright
notice and this permission notice appear in all copies of the
software, derivative works or modified versions, and any portions
thereof, and that both notices appear in supporting documentation.

<copyright holder> ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
CONDITION. <copyright holder> DISCLAIMS ANY LIABILITY OF ANY KIND
FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.

The author requests users of this software to send back
any improvements or extensions that they make and grant him and/or
the <copyright holder> the rights to redistribute these changes
without restrictions.