124 lines
6.3 KiB
Plaintext
124 lines
6.3 KiB
Plaintext
GNU CHESS GENERAL PUBLIC LICENSE
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Copyright (C) 1986,1987 Free Software Foundation, Inc.
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Everyone is permitted to copy and distribute verbatim copies
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of this license, but changing it is not allowed.
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The license agreements of most software companies keep you at the
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mercy of those companies. By contrast, our general public license is
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intended to give everyone the right to share GNU Chess. To make
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sure that you get the rights we want you to have, we need to make
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restrictions that forbid anyone to deny you these rights or to ask you
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to surrender the rights. Hence this license agreement.
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Specifically, we want to make sure that you have the right to give
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away copies of GNU Chess, that you receive source code or else can get it
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if you want it, that you can change GNU Chess or use pieces of it in new
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free programs, and that you know you can do these things.
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To make sure that everyone has such rights, we have to forbid you to
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deprive anyone else of these rights. For example, if you distribute
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copies of GNU Chess, you must give the recipients all the rights that you
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have. You must make sure that they, too, receive or can get the
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source code. And you must tell them their rights.
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Also, for our own protection, we must make certain that everyone
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finds out that there is no warranty for GNU Chess. If GNU Chess is
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modified by someone else and passed on, we want its recipients to know
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that what they have is not what we distributed, so that any problems
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introduced by others will not reflect on our reputation.
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Therefore the Free Software Foundation, Inc. makes the following
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terms which say what you must do to be allowed to distribute or change
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GNU Chess.
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COPYING POLICIES
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1. You may copy and distribute verbatim copies of GNU Chess source
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code as you receive it, in any medium, provided that you conspicuously
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and appropriately publish on each file a valid copyright notice
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"Copyright (C) 1986,1987 Free Software Foundation, Inc.", containing the
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year of last change for the file in question; keep intact the notices
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on all files that refer to this License Agreement and to the absence
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of any warranty; and give any other recipients of the GNU Chess
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program a copy of this License Agreement along with the program.
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2. You may modify your copy or copies of GNU Chess source code or
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any portion of it, and copy and distribute such modifications under
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the terms of Paragraph 1 above, provided that you also do the following:
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a) cause the modified files to carry prominent notices stating
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who last changed such files and the date of any change; and
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b) cause the whole of any work that you distribute or publish,
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that in whole or in part contains or is a derivative of GNU Chess
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or any part thereof, to be freely distributed
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and licensed to all third parties on terms identical to those
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contained in this License Agreement (except that you may choose
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to grant more extensive warranty protection to third parties,
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at your option).
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c) if the modified program serves as a text editor, cause it
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when started running in the simplest and usual way, to print
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an announcement including a valid copyright notice ("Copyright
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(C)", the year of authorship, and all copyright owners' names),
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saying that there is no warranty (or else, saying that you provide
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a warranty) and that users may redistribute the program under
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these conditions, and telling the user how to view a copy of
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this License Agreement.
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3. You may copy and distribute GNU Chess or any portion of it in
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compiled, executable or object code form under the terms of Paragraphs
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1 and 2 above provided that you do the following:
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a) cause each such copy of GNU Chess to be accompanied by the
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corresponding machine-readable source code; or
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b) cause each such copy of GNU Chess to be accompanied by a
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written offer, with no time limit, to give any third party
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free (except for a nominal shipping charge) machine readable
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copy of the corresponding source code; or
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c) in the case of a recipient of GNU Chess in compiled, executable
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or object code form (without the corresponding source code) you
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shall cause copies you distribute to be accompanied by a copy
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of the written offer of source code which you received along
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with the copy of GNU Chess.
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4. You may not copy, sublicense, distribute or transfer GNU Chess
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except as expressly provided under this License Agreement. Any attempt
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otherwise to copy, sublicense, distribute or transfer GNU Chess is void and
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your rights to use GNU Chess under this License agreement shall be
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automatically terminated. However, parties who have received computer
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software programs from you with this License Agreement will not have
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their licenses terminated so long as such parties remain in full compliance.
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Your comments and suggestions about our licensing policies and our
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software are welcome! Please contact the Free Software Foundation, Inc.,
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1000 Mass Ave, Cambridge, MA 02138, or call (617) 876-3296.
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NO WARRANTY
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BECAUSE GNU CHESS IS LICENSED FREE OF CHARGE, WE PROVIDE ABSOLUTELY
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NO WARRANTY, TO THE EXTENT PERMITTED BY APPLICABLE STATE LAW. EXCEPT
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WHEN OTHERWISE STATED IN WRITING, FREE SOFTWARE FOUNDATION, INC,
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AND/OR OTHER PARTIES PROVIDE GNU CHESS "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
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PROGRAM IS WITH YOU. SHOULD THE GNU CHESS PROGRAM PROVE DEFECTIVE,
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YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW WILL FREE SOFTWARE
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FOUNDATION, INC., AND/OR ANY OTHER PARTY WHO MAY MODIFY AND
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REDISTRIBUTE GNU CHESS AS PERMITTED ABOVE, BE LIABLE TO YOU FOR
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DAMAGES, INCLUDING ANY LOST PROFITS, LOST MONIES, OR OTHER SPECIAL,
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INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
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INABILITY TO USE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA
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BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY THIRD PARTIES OR A
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FAILURE OF THE PROGRAM TO OPERATE WITH PROGRAMS NOT DISTRIBUTED BY
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FREE SOFTWARE FOUNDATION, INC.) THE PROGRAM, EVEN IF YOU HAVE BEEN
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR FOR ANY CLAIM BY ANY
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OTHER PARTY.
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======================================================================
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