Author: José de Jesús García Ruvalcaba
Date: 09:22:01 05/03/00
Go up one level in this thread
On May 02, 2000 at 17:28:02, Gian-Carlo Pascutto wrote: >Hi all, > >while toying around with 'Queen' I took a closer look at the about window: > ><quote> >This program uses part of the opening book of GNU Chess 3.1 by >D.K.Baker, 1990 ></quote> > >This is the header of the relevant file from the GNU Chess 3.1 distribution: > >! Opening Library for CHESS >! >! Copyright (C) 1986, 1987, 1988 Free Software Foundation, Inc. >! Copyright (c) 1987 by Stuart Cracraft and John Stanback >! >! This file is part of CHESS. >! >! CHESS is distributed in the hope that it will be useful, >! but WITHOUT ANY WARRANTY. No author or distributor >! accepts responsibility to anyone for the consequences of using it >! or for whether it serves any particular purpose or works at all, >! unless he says so in writing. Refer to the CHESS General Public >! License for full details. >! >! Everyone is granted permission to copy, modify and redistribute >! CHESS, but only under the conditions described in the >! CHESS General Public License. A copy of this license is >! supposed to have been given to you along with CHESS so you >! can know your rights and responsibilities. It should be in a >! file named COPYING. Among other things, the copyright notice >! and this notice must be preserved on all copies. > >The CHESS General Public license is functionally identical to the >GPL license. (Actually I think they are the same but the GPL name >probably didn't exist in 1987 yet) > >As the opening book contains the notice, and is included in the >queen.exe file, it most definetely classifies as a derived work. > >Therefore 'Queen' is in direct violation of several parts of this >license, most notably lack of source code, failure to preserve the >notice and failure to provide the 'copying' file. > >Either Leen must stop distributing Queen immediately, publish its >sources, or seperate the book from the main executable. > >Considering the potential interest in the sources and the educational >value of them, I hope Leen chooses the second option. > >-- >GCP Perhaps you should e-mail Leen (have not you?) José.
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