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Annotation of dgamelaunch-openbsd/COPYING, Revision 1.1

1.1     ! rubenllo    1:  dgamelaunch is copyright (C) 2001-2003 M. Drew Streib
        !             2:  also parts (C) 2003-4 Joshua Kwan <joshk@triplehelix.org>,
        !             3:  Brett Carrington <brettcar@segvio.org>,
        !             4:  Jilles Tjoelker <jilles@stack.nl>
        !             5:
        !             6: dgamelaunch itself, virus.c and last_char_is.c fall under the GNU
        !             7: General Public License, which follows here in its entirety.
        !             8:
        !             9:                    GNU GENERAL PUBLIC LICENSE
        !            10:                       Version 2, June 1991
        !            11:
        !            12: Copyright (C) 1989, 1991 Free Software Foundation, Inc.
        !            13: 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
        !            14:
        !            15: Everyone is permitted to copy and distribute verbatim copies
        !            16:  of this license document, but changing it is not allowed.
        !            17:
        !            18:                            Preamble
        !            19:
        !            20:   The licenses for most software are designed to take away your
        !            21: freedom to share and change it.  By contrast, the GNU General Public
        !            22: License is intended to guarantee your freedom to share and change free
        !            23: software--to make sure the software is free for all its users.  This
        !            24: General Public License applies to most of the Free Software
        !            25: Foundation's software and to any other program whose authors commit to
        !            26: using it.  (Some other Free Software Foundation software is covered by
        !            27: the GNU Library General Public License instead.)  You can apply it to
        !            28: your programs, too.
        !            29:
        !            30:   When we speak of free software, we are referring to freedom, not
        !            31: price.  Our General Public Licenses are designed to make sure that you
        !            32: have the freedom to distribute copies of free software (and charge for
        !            33: this service if you wish), that you receive source code or can get it
        !            34: if you want it, that you can change the software or use pieces of it
        !            35: in new free programs; and that you know you can do these things.
        !            36:
        !            37:   To protect your rights, we need to make restrictions that forbid
        !            38: anyone to deny you these rights or to ask you to surrender the rights.
        !            39: These restrictions translate to certain responsibilities for you if you
        !            40: distribute copies of the software, or if you modify it.
        !            41:
        !            42:   For example, if you distribute copies of such a program, whether
        !            43: gratis or for a fee, you must give the recipients all the rights that
        !            44: you have.  You must make sure that they, too, receive or can get the
        !            45: source code.  And you must show them these terms so they know their
        !            46: rights.
        !            47:
        !            48:   We protect your rights with two steps: (1) copyright the software, and
        !            49: (2) offer you this license which gives you legal permission to copy,
        !            50: distribute and/or modify the software.
        !            51:
        !            52:   Also, for each author's protection and ours, we want to make certain
        !            53: that everyone understands that there is no warranty for this free
        !            54: software.  If the software is modified by someone else and passed on, we
        !            55: want its recipients to know that what they have is not the original, so
        !            56: that any problems introduced by others will not reflect on the original
        !            57: authors' reputations.
        !            58:
        !            59:   Finally, any free program is threatened constantly by software
        !            60: patents.  We wish to avoid the danger that redistributors of a free
        !            61: program will individually obtain patent licenses, in effect making the
        !            62: program proprietary.  To prevent this, we have made it clear that any
        !            63: patent must be licensed for everyone's free use or not licensed at all.
        !            64:
        !            65:   The precise terms and conditions for copying, distribution and
        !            66: modification follow.
        !            67: 
        !            68:                    GNU GENERAL PUBLIC LICENSE
        !            69:    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
        !            70:
        !            71:   0. This License applies to any program or other work which contains
        !            72: a notice placed by the copyright holder saying it may be distributed
        !            73: under the terms of this General Public License.  The "Program", below,
        !            74: refers to any such program or work, and a "work based on the Program"
        !            75: means either the Program or any derivative work under copyright law:
        !            76: that is to say, a work containing the Program or a portion of it,
        !            77: either verbatim or with modifications and/or translated into another
        !            78: language.  (Hereinafter, translation is included without limitation in
        !            79: the term "modification".)  Each licensee is addressed as "you".
        !            80:
        !            81: Activities other than copying, distribution and modification are not
        !            82: covered by this License; they are outside its scope.  The act of
        !            83: running the Program is not restricted, and the output from the Program
        !            84: is covered only if its contents constitute a work based on the
        !            85: Program (independent of having been made by running the Program).
        !            86: Whether that is true depends on what the Program does.
        !            87:
        !            88:   1. You may copy and distribute verbatim copies of the Program's
        !            89: source code as you receive it, in any medium, provided that you
        !            90: conspicuously and appropriately publish on each copy an appropriate
        !            91: copyright notice and disclaimer of warranty; keep intact all the
        !            92: notices that refer to this License and to the absence of any warranty;
        !            93: and give any other recipients of the Program a copy of this License
        !            94: along with the Program.
        !            95:
        !            96: You may charge a fee for the physical act of transferring a copy, and
        !            97: you may at your option offer warranty protection in exchange for a fee.
        !            98:
        !            99:   2. You may modify your copy or copies of the Program or any portion
        !           100: of it, thus forming a work based on the Program, and copy and
        !           101: distribute such modifications or work under the terms of Section 1
        !           102: above, provided that you also meet all of these conditions:
        !           103:
        !           104:     a) You must cause the modified files to carry prominent notices
        !           105:     stating that you changed the files and the date of any change.
        !           106:
        !           107:     b) You must cause any work that you distribute or publish, that in
        !           108:     whole or in part contains or is derived from the Program or any
        !           109:     part thereof, to be licensed as a whole at no charge to all third
        !           110:     parties under the terms of this License.
        !           111:
        !           112:     c) If the modified program normally reads commands interactively
        !           113:     when run, you must cause it, when started running for such
        !           114:     interactive use in the most ordinary way, to print or display an
        !           115:     announcement including an appropriate copyright notice and a
        !           116:     notice that there is no warranty (or else, saying that you provide
        !           117:     a warranty) and that users may redistribute the program under
        !           118:     these conditions, and telling the user how to view a copy of this
        !           119:     License.  (Exception: if the Program itself is interactive but
        !           120:     does not normally print such an announcement, your work based on
        !           121:     the Program is not required to print an announcement.)
        !           122: 
        !           123: These requirements apply to the modified work as a whole.  If
        !           124: identifiable sections of that work are not derived from the Program,
        !           125: and can be reasonably considered independent and separate works in
        !           126: themselves, then this License, and its terms, do not apply to those
        !           127: sections when you distribute them as separate works.  But when you
        !           128: distribute the same sections as part of a whole which is a work based
        !           129: on the Program, the distribution of the whole must be on the terms of
        !           130: this License, whose permissions for other licensees extend to the
        !           131: entire whole, and thus to each and every part regardless of who wrote it.
        !           132:
        !           133: Thus, it is not the intent of this section to claim rights or contest
        !           134: your rights to work written entirely by you; rather, the intent is to
        !           135: exercise the right to control the distribution of derivative or
        !           136: collective works based on the Program.
        !           137:
        !           138: In addition, mere aggregation of another work not based on the Program
        !           139: with the Program (or with a work based on the Program) on a volume of
        !           140: a storage or distribution medium does not bring the other work under
        !           141: the scope of this License.
        !           142:
        !           143:   3. You may copy and distribute the Program (or a work based on it,
        !           144: under Section 2) in object code or executable form under the terms of
        !           145: Sections 1 and 2 above provided that you also do one of the following:
        !           146:
        !           147:     a) Accompany it with the complete corresponding machine-readable
        !           148:     source code, which must be distributed under the terms of Sections
        !           149:     1 and 2 above on a medium customarily used for software interchange; or,
        !           150:
        !           151:     b) Accompany it with a written offer, valid for at least three
        !           152:     years, to give any third party, for a charge no more than your
        !           153:     cost of physically performing source distribution, a complete
        !           154:     machine-readable copy of the corresponding source code, to be
        !           155:     distributed under the terms of Sections 1 and 2 above on a medium
        !           156:     customarily used for software interchange; or,
        !           157:
        !           158:     c) Accompany it with the information you received as to the offer
        !           159:     to distribute corresponding source code.  (This alternative is
        !           160:     allowed only for noncommercial distribution and only if you
        !           161:     received the program in object code or executable form with such
        !           162:     an offer, in accord with Subsection b above.)
        !           163:
        !           164: The source code for a work means the preferred form of the work for
        !           165: making modifications to it.  For an executable work, complete source
        !           166: code means all the source code for all modules it contains, plus any
        !           167: associated interface definition files, plus the scripts used to
        !           168: control compilation and installation of the executable.  However, as a
        !           169: special exception, the source code distributed need not include
        !           170: anything that is normally distributed (in either source or binary
        !           171: form) with the major components (compiler, kernel, and so on) of the
        !           172: operating system on which the executable runs, unless that component
        !           173: itself accompanies the executable.
        !           174:
        !           175: If distribution of executable or object code is made by offering
        !           176: access to copy from a designated place, then offering equivalent
        !           177: access to copy the source code from the same place counts as
        !           178: distribution of the source code, even though third parties are not
        !           179: compelled to copy the source along with the object code.
        !           180: 
        !           181:   4. You may not copy, modify, sublicense, or distribute the Program
        !           182: except as expressly provided under this License.  Any attempt
        !           183: otherwise to copy, modify, sublicense or distribute the Program is
        !           184: void, and will automatically terminate your rights under this License.
        !           185: However, parties who have received copies, or rights, from you under
        !           186: this License will not have their licenses terminated so long as such
        !           187: parties remain in full compliance.
        !           188:
        !           189:   5. You are not required to accept this License, since you have not
        !           190: signed it.  However, nothing else grants you permission to modify or
        !           191: distribute the Program or its derivative works.  These actions are
        !           192: prohibited by law if you do not accept this License.  Therefore, by
        !           193: modifying or distributing the Program (or any work based on the
        !           194: Program), you indicate your acceptance of this License to do so, and
        !           195: all its terms and conditions for copying, distributing or modifying
        !           196: the Program or works based on it.
        !           197:
        !           198:   6. Each time you redistribute the Program (or any work based on the
        !           199: Program), the recipient automatically receives a license from the
        !           200: original licensor to copy, distribute or modify the Program subject to
        !           201: these terms and conditions.  You may not impose any further
        !           202: restrictions on the recipients' exercise of the rights granted herein.
        !           203: You are not responsible for enforcing compliance by third parties to
        !           204: this License.
        !           205:
        !           206:   7. If, as a consequence of a court judgment or allegation of patent
        !           207: infringement or for any other reason (not limited to patent issues),
        !           208: conditions are imposed on you (whether by court order, agreement or
        !           209: otherwise) that contradict the conditions of this License, they do not
        !           210: excuse you from the conditions of this License.  If you cannot
        !           211: distribute so as to satisfy simultaneously your obligations under this
        !           212: License and any other pertinent obligations, then as a consequence you
        !           213: may not distribute the Program at all.  For example, if a patent
        !           214: license would not permit royalty-free redistribution of the Program by
        !           215: all those who receive copies directly or indirectly through you, then
        !           216: the only way you could satisfy both it and this License would be to
        !           217: refrain entirely from distribution of the Program.
        !           218:
        !           219: If any portion of this section is held invalid or unenforceable under
        !           220: any particular circumstance, the balance of the section is intended to
        !           221: apply and the section as a whole is intended to apply in other
        !           222: circumstances.
        !           223:
        !           224: It is not the purpose of this section to induce you to infringe any
        !           225: patents or other property right claims or to contest validity of any
        !           226: such claims; this section has the sole purpose of protecting the
        !           227: integrity of the free software distribution system, which is
        !           228: implemented by public license practices.  Many people have made
        !           229: generous contributions to the wide range of software distributed
        !           230: through that system in reliance on consistent application of that
        !           231: system; it is up to the author/donor to decide if he or she is willing
        !           232: to distribute software through any other system and a licensee cannot
        !           233: impose that choice.
        !           234:
        !           235: This section is intended to make thoroughly clear what is believed to
        !           236: be a consequence of the rest of this License.
        !           237: 
        !           238:   8. If the distribution and/or use of the Program is restricted in
        !           239: certain countries either by patents or by copyrighted interfaces, the
        !           240: original copyright holder who places the Program under this License
        !           241: may add an explicit geographical distribution limitation excluding
        !           242: those countries, so that distribution is permitted only in or among
        !           243: countries not thus excluded.  In such case, this License incorporates
        !           244: the limitation as if written in the body of this License.
        !           245:
        !           246:   9. The Free Software Foundation may publish revised and/or new versions
        !           247: of the General Public License from time to time.  Such new versions will
        !           248: be similar in spirit to the present version, but may differ in detail to
        !           249: address new problems or concerns.
        !           250:
        !           251: Each version is given a distinguishing version number.  If the Program
        !           252: specifies a version number of this License which applies to it and "any
        !           253: later version", you have the option of following the terms and conditions
        !           254: either of that version or of any later version published by the Free
        !           255: Software Foundation.  If the Program does not specify a version number of
        !           256: this License, you may choose any version ever published by the Free Software
        !           257: Foundation.
        !           258:
        !           259:   10. If you wish to incorporate parts of the Program into other free
        !           260: programs whose distribution conditions are different, write to the author
        !           261: to ask for permission.  For software which is copyrighted by the Free
        !           262: Software Foundation, write to the Free Software Foundation; we sometimes
        !           263: make exceptions for this.  Our decision will be guided by the two goals
        !           264: of preserving the free status of all derivatives of our free software and
        !           265: of promoting the sharing and reuse of software generally.
        !           266:
        !           267:                            NO WARRANTY
        !           268:
        !           269:   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
        !           270: FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
        !           271: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
        !           272: PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
        !           273: OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
        !           274: MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
        !           275: TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
        !           276: PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
        !           277: REPAIR OR CORRECTION.
        !           278:
        !           279:   12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
        !           280: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
        !           281: REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
        !           282: INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
        !           283: OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
        !           284: TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
        !           285: YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
        !           286: PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
        !           287: POSSIBILITY OF SUCH DAMAGES.
        !           288:
        !           289:                     END OF TERMS AND CONDITIONS
        !           290: 
        !           291:        Appendix: How to Apply These Terms to Your New Programs
        !           292:
        !           293:   If you develop a new program, and you want it to be of the greatest
        !           294: possible use to the public, the best way to achieve this is to make it
        !           295: free software which everyone can redistribute and change under these terms.
        !           296:
        !           297:   To do so, attach the following notices to the program.  It is safest
        !           298: to attach them to the start of each source file to most effectively
        !           299: convey the exclusion of warranty; and each file should have at least
        !           300: the "copyright" line and a pointer to where the full notice is found.
        !           301:
        !           302:     <one line to give the program's name and a brief idea of what it does.>
        !           303:     Copyright (C) 19yy  <name of author>
        !           304:
        !           305:     This program is free software; you can redistribute it and/or modify
        !           306:     it under the terms of the GNU General Public License as published by
        !           307:     the Free Software Foundation; either version 2 of the License, or
        !           308:     (at your option) any later version.
        !           309:
        !           310:     This program is distributed in the hope that it will be useful,
        !           311:     but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           312:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           313:     GNU General Public License for more details.
        !           314:
        !           315:     You should have received a copy of the GNU General Public License
        !           316:     along with this program; if not, write to the Free Software
        !           317:     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !           318:
        !           319: Also add information on how to contact you by electronic and paper mail.
        !           320:
        !           321: If the program is interactive, make it output a short notice like this
        !           322: when it starts in an interactive mode:
        !           323:
        !           324:     Gnomovision version 69, Copyright (C) 19yy name of author
        !           325:     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
        !           326:     This is free software, and you are welcome to redistribute it
        !           327:     under certain conditions; type `show c' for details.
        !           328:
        !           329: The hypothetical commands `show w' and `show c' should show the appropriate
        !           330: parts of the General Public License.  Of course, the commands you use may
        !           331: be called something other than `show w' and `show c'; they could even be
        !           332: mouse-clicks or menu items--whatever suits your program.
        !           333:
        !           334: You should also get your employer (if you work as a programmer) or your
        !           335: school, if any, to sign a "copyright disclaimer" for the program, if
        !           336: necessary.  Here is a sample; alter the names:
        !           337:
        !           338:   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
        !           339:   `Gnomovision' (which makes passes at compilers) written by James Hacker.
        !           340:
        !           341:   <signature of Ty Coon>, 1 April 1989
        !           342:   Ty Coon, President of Vice
        !           343:
        !           344: This General Public License does not permit incorporating your program into
        !           345: proprietary programs.  If your program is a subroutine library, you may
        !           346: consider it more useful to permit linking proprietary applications with the
        !           347: library.  If this is what you want to do, use the GNU Library General
        !           348: Public License instead of this License.
        !           349:
        !           350: ttyplay.c, io.c and ttyrec.c fall under a 4-clause BSD license,
        !           351: which follows.
        !           352:
        !           353: Copyright (c) 2000 Satoru Takabayashi <satoru@namazu.org>
        !           354: All rights reserved.
        !           355:
        !           356: Redistribution and use in source and binary forms, with or without
        !           357: modification, are permitted provided that the following conditions
        !           358: are met:
        !           359: 1. Redistributions of source code must retain the above copyright
        !           360:    notice, this list of conditions and the following disclaimer.
        !           361: 2. Redistributions in binary form must reproduce the above copyright
        !           362:    notice, this list of conditions and the following disclaimer in the
        !           363:    documentation and/or other materials provided with the distribution.
        !           364: 3. All advertising materials mentioning features or use of this software
        !           365:    must display the following acknowledgement:
        !           366:        This product includes software developed by the University of
        !           367:        California, Berkeley and its contributors.
        !           368: 4. Neither the name of the University nor the names of its contributors
        !           369:    may be used to endorse or promote products derived from this software
        !           370:    without specific prior written permission.
        !           371:
        !           372: THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !           373: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !           374: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !           375: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !           376: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !           377: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !           378: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !           379: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !           380: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !           381: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !           382: SUCH DAMAGE.
        !           383:
        !           384: mygetnstr.c follows the BSD licence as well but only the first two clauses
        !           385: of the one reproduced above.
        !           386:
        !           387: stripgfx.c is derived from drawing.c in the NetHack source distribution,
        !           388: and falls under the NetHack General Public License, which follows.
        !           389:
        !           390:                     NETHACK GENERAL PUBLIC LICENSE
        !           391:                     (Copyright 1989 M. Stephenson)
        !           392: .
        !           393:                (Based on the BISON general public license,
        !           394:                    copyright 1988 Richard M. Stallman)
        !           395:
        !           396:  Everyone is permitted to copy and distribute verbatim copies of this
        !           397:  license, but changing it is not allowed.  You can also use this wording to
        !           398:  make the terms for other programs.
        !           399:
        !           400:   The license agreements of most software companies keep you at the mercy of
        !           401: those companies.  By contrast, our general public license is intended to give
        !           402: everyone the right to share NetHack.  To make sure that you get the rights we
        !           403: want you to have, we need to make restrictions that forbid anyone to deny you
        !           404: these rights or to ask you to surrender the rights.  Hence this license
        !           405: agreement.
        !           406:
        !           407:   Specifically, we want to make sure that you have the right to give away
        !           408: copies of NetHack, that you receive source code or else can get it if you
        !           409: want it, that you can change NetHack or use pieces of it in new free
        !           410: programs, and that you know you can do these things.
        !           411:
        !           412:   To make sure that everyone has such rights, we have to forbid you to
        !           413: deprive anyone else of these rights.  For example, if you distribute copies
        !           414: of NetHack, you must give the recipients all the rights that you have.  You
        !           415: must make sure that they, too, receive or can get the source code.  And you
        !           416: must tell them their rights.
        !           417:
        !           418:   Also, for our own protection, we must make certain that everyone finds out
        !           419: that there is no warranty for NetHack.  If NetHack is modified by someone
        !           420: else and passed on, we want its recipients to know that what they have is
        !           421: not what we distributed.
        !           422:
        !           423:   Therefore we (Mike Stephenson and other holders of NetHack copyrights) make
        !           424: the following terms which say what you must do to be allowed to distribute or
        !           425: change NetHack.
        !           426:
        !           427:
        !           428:                         COPYING POLICIES
        !           429:
        !           430:   1. You may copy and distribute verbatim copies of NetHack source code as
        !           431: you receive it, in any medium, provided that you keep intact the notices on
        !           432: all files that refer to copyrights, to this License Agreement, and to the
        !           433: absence of any warranty; and give any other recipients of the NetHack
        !           434: program a copy of this License Agreement along with the program.
        !           435:
        !           436:   2. You may modify your copy or copies of NetHack or any portion of it, and
        !           437: copy and distribute such modifications under the terms of Paragraph 1 above
        !           438: (including distributing this License Agreement), provided that you also do the
        !           439: following:
        !           440:
        !           441:     a) cause the modified files to carry prominent notices stating that you
        !           442:     changed the files and the date of any change; and
        !           443:
        !           444:     b) cause the whole of any work that you distribute or publish, that in
        !           445:     whole or in part contains or is a derivative of NetHack or any part
        !           446:     thereof, to be licensed at no charge to all third parties on terms
        !           447:     identical to those contained in this License Agreement (except that you
        !           448:     may choose to grant more extensive warranty protection to some or all
        !           449:     third parties, at your option)
        !           450:
        !           451:     c) You may charge a distribution fee for the physical act of
        !           452:     transferring a copy, and you may at your option offer warranty protection
        !           453:     in exchange for a fee.
        !           454:
        !           455:   3. You may copy and distribute NetHack (or a portion or derivative of it,
        !           456: under Paragraph 2) in object code or executable form under the terms of
        !           457: Paragraphs 1 and 2 above provided that you also do one of the following:
        !           458:
        !           459:     a) accompany it with the complete machine-readable source code, which
        !           460:     must be distributed under the terms of Paragraphs 1 and 2 above; or,
        !           461:
        !           462:     b) accompany it with full information as to how to obtain the complete
        !           463:     machine-readable source code from an appropriate archive site.  (This
        !           464:     alternative is allowed only for noncommercial distribution.)
        !           465:
        !           466: For these purposes, complete source code means either the full source
        !           467: distribution as originally released over Usenet or updated copies of the
        !           468: files in this distribution used to create the object code or executable.
        !           469:
        !           470:   4. You may not copy, sublicense, distribute or transfer NetHack except as
        !           471: expressly provided under this License Agreement.  Any attempt otherwise to
        !           472: copy, sublicense, distribute or transfer NetHack is void and your rights to
        !           473: use the program under this License agreement shall be automatically
        !           474: terminated.  However, parties who have received computer software programs
        !           475: from you with this License Agreement will not have their licenses terminated
        !           476: so long as such parties remain in full compliance.
        !           477:
        !           478:
        !           479: Stated plainly:  You are permitted to modify NetHack, or otherwise use parts
        !           480: of NetHack, provided that you comply with the conditions specified above;
        !           481: in particular, your modified NetHack or program containing parts of NetHack
        !           482: must remain freely available as provided in this License Agreement.  In
        !           483: other words, go ahead and share NetHack, but don't try to stop anyone else
        !           484: from sharing it farther.
        !           485:
        !           486: ee.c falls under Hugh Mahon's own license. It is quite long, so please refer
        !           487: to ee.c for the full text. However, it is an OSI-approved license.

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