This is Ghextris, packaged for Debian by Mikko Rauhala <mjr@iki.fi>.
Original author is also Mikko Rauhala.

Copyright 2004 Mikko Rauhala <mjr@iki.fi>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

On Debian GNU/Linux systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL-2'.

In 2009 this package was reworked largely by Christoph Egger. These
parts are

  © 2009 Christoph Egger <debian@christoph-egger.org>

And available either under the GPL Version2 or later as quoted above
or alternatively under the following conditions:

This software is provided 'as-is', without any express or
implied warranty. In no event will the authors be held
liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:

 1. The origin of this software must not be misrepresented;
    you must not claim that you wrote the original software.
    If you use this software in a product, an acknowledgment
    in the product documentation would be appreciated but
    is not required.

 2. Altered source versions must be plainly marked as such,
    and must not be misrepresented as being the original software.

 3. This notice may not be removed or altered from any