copyright

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Last-Modified: Last modified by Fredrik Ljungdahl, 2021-01-07
Comment:
 .
 This file is Copyright (C) Alex Smith 2013-2015, except as explained below
 .
 Parts of this file that quote other license agreements verbatim are
 under the same licenses as those licenses.  Those licenses which even
 have an explicit license agreement (which, in the case of the
 licenses in this file, is embedded into the licenses themselves)
 typically allow redistribution of the license, but only without
 modifications (here interpreted as allowing embedding into a larger
 document, including reversible changes to the sequence of bytes that
 make up the license, that do not lose or hide any meaning).  When a
 license does not have an explicit license agreement, I'm assuming
 that the typical legal requirement to preserve copyright and license
 notices also carries implicit permission to copy those notices (so as
 to be able to preserve them).  The copyright statement above does not
 apply to verbatim quotes of other licenses, and is not intended to
 challenge their copyright status.
 .
 As for parts of this file that are not quoting other license
 agreements, I hereby license anyone to copy and distribute them,
 either verbatim or with modifications, so long as the authorship of
 modified copies is not misrepresented.
 .
 THERE IS NO WARRANTY FOR THIS COPYRIGHT INFORMATION FILE.  IT HAS NOT
 BEEN THOROUGHLY CHECKED FOR ACCURACY, AND MAY WELL CONTAIN MISTAKES.
 USE IT AT YOUR OWN RISK.
 .
Upstream-Name: nethack4
Upstream-Contact: ais523@nethack4.org

Files: binary-copyright.pod copyright
Copyright: Copyright (C) Alex Smith 2013-2015, except as explained below
License: verbatim and nh4-metacopyright
 Parts of this file that quote other license agreements verbatim are
 under the same licenses as those licenses.  Those licenses which even
 have an explicit license agreement (which, in the case of the
 licenses in this file, is embedded into the licenses themselves)
 typically allow redistribution of the license, but only without
 modifications (here interpreted as allowing embedding into a larger
 document, including reversible changes to the sequence of bytes that
 make up the license, that do not lose or hide any meaning).  When a
 license does not have an explicit license agreement, I'm assuming
 that the typical legal requirement to preserve copyright and license
 notices also carries implicit permission to copy those notices (so as
 to be able to preserve them).  The copyright statement above does not
 apply to verbatim quotes of other licenses, and is not intended to
 challenge their copyright status.
 .
 As for parts of this file that are not quoting other license
 agreements, I hereby license anyone to copy and distribute them,
 either verbatim or with modifications, so long as the authorship of
 modified copies is not misrepresented.
 .
 THERE IS NO WARRANTY FOR THIS COPYRIGHT INFORMATION FILE.  IT HAS NOT
 BEEN THOROUGHLY CHECKED FOR ACCURACY, AND MAY WELL CONTAIN MISTAKES.
 USE IT AT YOUR OWN RISK.
Comment:
 In order to track the copyright status of every file in the
 distribution, the copyright-tracking files also need to track
 themselves.  The license is open-source as far as is possible, but it
 is typically a legal requirement to preserve existing license notices
 unchanged.  This license is not used for any code; it is entirely
 exclusive to files that explain the copyright status of other files.

Files: libnethack_client/*
License: NGPL or GPL-2+
Copyright: Copyright (c) Daniel Thaler, 2012.

Files: libnethack/dat/*.des
License: NGPL
Copyright:
 Copyright (c) 1989-95 by Jean-Christophe Collet
 Copyright (c) 1990-95 by M. Stephenson
 Copyright (c) 1991-93 by P. Winner
 Copyright (c) 1992-93 by Izchak Miller, David Cohrs

Files: libnethack/dat/Rogue.des
License: NGPL
Copyright: Copyright (c) 1992 by Dean Luick

Files: libnethack/dat/data.base
License: NGPL
Copyright: Copyright (c) 2010 by Alex Smith

Files: libnethack/dat/dungeon.def
License: NGPL
Copyright: Copyright (c) 1990-95 by M. Stephenson

Files: libnethack/dat/quest.txt
License: NGPL
Copyright: Copyright (c) 1991 by M. Stephenson

Files: libnethack/dat/oracles.txt libnethack/dat/rumors.fal libnethack/dat/rumors.tru
License: NGPL
Copyright:
 These files had no explicit copyright notice in the NetHack distribution; the
 format of the rumours.* files made it impossible to include one (whereas the
 oracles.txt file could have included one, but didn't).  The likely copyright
 is the general copyright of NetHack:
 .
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack/dat/history
License: NGPL
Copyright:
 This file is a text file containing a high-level changelog for NetHack. As
 such, it did not have an explicit copyright notice.  The likely copyright is
 the general copyright of NetHack:
 .
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack/include/*.h
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack/include/align.h
License: NGPL
Copyright: Copyright (c) Mike Stephenson, Izchak Miller  1991

Files: libnethack/include/attrib.h
License: NGPL
Copyright: Copyright 1998, Mike Stephenson

Files: libnethack/include/color.h
License: NGPL
Copyright: Copyright (c) Steve Linhart, Eric Raymond, 1989

Files: libnethack/include/dgn_file.h
License: NGPL
Copyright: Copyright (c) 1989 by Mike Stephenson

Files: libnethack/include/display.h
License: NGPL
Copyright: Copyright (c) Dean Luick, with acknowledgements to Kevin Darcy

Files: libnethack/include/dlb.h libnethack/include/iomodes.h
License: NGPL
Copyright: Copyright (c) Kenneth Lorber, Bethesda, Maryland, 1993

Files: libnethack/include/drawing.h
License: NGPL
Copyright:
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985
 Copyright (c) 2013 Alex Smith

Files: libnethack/include/extern.h
License: NGPL
Copyright: Copyright (c) Steve Creps, 1988

Files: libnethack/include/lz4.h
License: BSD-2
Copyright: Copyright (C) 2011-2020, Yann Collet.

Files: libnethack/include/lz4hc.h
License: BSD-2
Copyright: Copyright (C) 2011-2020, Yann Collet.

Files: libnethack/include/magic.h
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: libnethack/include/memfile.h
License: NGPL
Copyright: Copyright (c) 2015 Alex Smith

Files: libnethack/include/mextra.h
License: NGPL
Copyright:
 Copyright (c) Izchak Miller, 1989
 Copyright (c) Fredrik Ljungdahl, 2015

Files: libnethack/include/monattk.h
License: NGPL
Copyright: Copyright 1988, Mike Stephenson

Files: libnethack/include/mondata.h
License: NGPL
Copyright: Copyright (c) 1989, Mike Threepoint

Files: libnethack/include/monflag.h
License: NGPL
Copyright: Copyright (c) 1989, Mike Threepoint

Files: libnethack/include/ntconf.h
License: NGPL
Copyright: Copyright (c) NetHack PC Development Team 1993, 1994

Files: libnethack/include/prop.h
License: NGPL
Copyright: Copyright (c) 1989 Mike Threepoint

Files: libnethack/include/qtext.h
License: NGPL
Copyright: Copyright (c) Mike Stephenson 1991

Files: libnethack/include/quest.h
License: NGPL
Copyright: Copyright (c) Mike Stephenson 1991

Files: libnethack/include/rect.h
License: NGPL
Copyright: Copyright (c) 1990 by Jean-Christophe Collet

Files: libnethack/include/region.h
License: NGPL
Copyright: Copyright (c) 1996 by Jean-Christophe Collet

Files: libnethack/include/skills.h
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985-1999

Files: libnethack/include/spell.h
License: NGPL
Copyright: Copyright 1986, Mike Stephenson

Files: libnethack/include/sp_lev.h
License: NGPL
Copyright: Copyright (c) 1989 by Jean-Christophe Collet

Files: libnethack/include/timeout.h
License: NGPL
Copyright: Copyright 1994, Dean Luick

Files: libnethack/include/vision.h
License: NGPL
Copyright: Copyright (c) Dean Luick, with acknowledgements to Dave Cohrs, 1990

Files: libnethack/include/winprocs.h
License: NGPL
Copyright: Copyright (c) David Cohrs, 1992

Files: libnethack/include/youprop.h
License: NGPL
Copyright: Copyright (c) 1989 Mike Threepoint

Files: libnethack/src/*.c
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack/src/attrib.c
License: NGPL
Copyright: Copyright 1988, 1989, 1990, 1992, M. Stephenson

Files: libnethack/src/bones.c
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985,1993

Files: libnethack/src/dbridge.c
License: NGPL
Copyright: Copyright (c) 1989 by Jean-Christophe Collet

Files: libnethack/src/display.c
License: NGPL
Copyright: Copyright (c) Dean Luick, with acknowledgements to Kevin Darcy and Dave Cohrs 1990

Files: libnethack/src/dlb.c
License: NGPL
Copyright: Copyright (c) Kenneth Lorber, Bethesda, Maryland, 1993

Files: libnethack/src/dokick.c
License: NGPL
Copyright: Copyright (c) Izchak Miller, Mike Stephenson, Steve Linhart, 1989

Files: libnethack/src/drawing.c
License: NGPL
Copyright: Copyright (c) NetHack Development Team 1992

Files: libnethack/src/dump.c
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: libnethack/src/explode.c
License: NGPL
Copyright: Copyright (C) 1990 by Ken Arromdee

Files: libnethack/src/extralev.c
License: NGPL
Copyright: Copyright 1988, 1989 by Ken Arromdee

Files: libnethack/src/fountain.c
License: NGPL
Copyright: Copyright Scott R. Turner, srt@ucla, 10/27/86

Files: libnethack/src/history.c
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: libnethack/src/level.c
License: NGPL
Copyright: Copyright (c) Sean Hunt, 2013

Files: libnethack/src/light.c
License: NGPL
Copyright: Copyright (c) Dean Luick, 1994

Files: libnethack/src/localtime.c
License: NGPL
Copyright:
 Copyright (c) Robert Patrick Rankin, 1991
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack/src/log*.c
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: libnethack/src/lz4.c
License: BSD-2
Copyright: Copyright (C) 2011-2020, Yann Collet.

Files: libnethack/src/lz4hc.c
License: BSD-2
Copyright: Copyright (C) 2011-2020, Yann Collet.

Files: libnethack/src/memfile.c
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: libnethack/src/messages.c
License: NGPL
Copyright: Copyright (c) 2014 Alex Smith

Files: libnethack/src/mextra.c
License: NGPL
Copyright: Copyright (c) Fredrik Ljungdahl, 2015

Files: libnethack/src/mhitq.c
License: NGPL
Copyright:
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
 Copyright (c) 2015 Alex Smith.

Files: libnethack/src/mkmap.c
License: NGPL
Copyright: Copyright (c) J. C. Collet, M. Stephenson and D. Cohrs, 1992

Files: libnethack/src/mplayer.c
License: NGPL
Copyright: Copyright (c) Izchak Miller, 1992

Files: libnethack/src/muse.c
License: NGPL
Copyright: Copyright (C) 1990 by Ken Arromdee

Files: libnethack/src/music.c
License: NGPL
Copyright: Copyright (c) 1989 by Jean-Christophe Collet

Files: libnethack/src/newrng.c
License: NGPL
Copyright: Copyright (c) 2014 Alex Smith
Comment:
 Also contains some public domain source from LibTomCrypt, via AdeonRNG.

Files: libnethack/src/objects.c
License: NGPL
Copyright: Copyright (c) Mike Threepoint, 1989

Files: libnethack/src/polyself.c
License: NGPL
Copyright: Copyright (c) 1987, 1988, 1989 by Ken Arromdee

Files: libnethack/src/pray.c
License: NGPL
Copyright: Copyright (c) Benson I. Margulies, Mike Stephenson, Steve Linhart, 1989

Files: libnethack/src/priest.c
License: NGPL
Copyright: Copyright (c) Izchak Miller, Steve Linhart, 1989

Files: libnethack/src/prop.c
License: NGPL
Copyright:
 Copyright (c) 1989 Mike Threepoint
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
 Copyright (c) 2014 Alex Smith

Files: libnethack/src/quest*.c
License: NGPL
Copyright: Copyright 1991, M. Stephenson

Files: libnethack/src/rect.c
License: NGPL
Copyright: Copyright (c) 1990 by Jean-Christophe Collet

Files: libnethack/src/region.c
License: NGPL
Copyright: Copyright (c) 1996 by Jean-Christophe Collet

Files: libnethack/src/role.c
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985-1999

Files: libnethack/src/sounds.c
License: NGPL
Copyright: Copyright (c) 1989 Janet Walz, Mike Threepoint

Files: libnethack/src/spell.c
License: NGPL
Copyright: Copyright (c) M. Stephenson 1988

Files: libnethack/src/sp_lev.c
License: NGPL
Copyright: Copyright (c) 1989 by Jean-Christophe Collet

Files: libnethack/src/steed.c
License: NGPL
Copyright: Copyright (c) Kevin Hugo, 1998-1999

Files: libnethack/src/symclass.c
License: NGPL
Copyright: Copyright (c) NetHack Devlopment Team 1992

Files: libnethack/src/vision.c
License: NGPL
Copyright: Copyright (c) Dean Luick, with acknowledgements to Dave Cohrs, 1990

Files: libnethack/src/windows.c
License: NGPL
Copyright: Copyright (c) D. Cohrs, 1993

Files: libnethack/util/dgn_* doc/dgn_comp.pod
License: NGPL
Copyright:
 Copyright (c) 1989 by Jean-Christophe Collet
 Copyright (C) 1990 by M. Stephenson
Comment:
 The dgn_comp.pod copyright is a guess.  (The file was translated from
 dgn_comp.6, which probably had the same copyright as dgn_comp itself.)

Files: libnethack/util/dlb_main.c doc/dlb.pod
License: NGPL
Copyright: Copyright (c) Kenneth Lorber, Bethesda, Maryland, 1993
Comment:
 The dlb.pod copyright is a guess.  (The file was translated from dlb.6, which
 probably had the same copyright as dlb itself.)

Files: libnethack/util/lev_* doc/lev_comp.pod
License: NGPL
Copyright: Copyright (c) 1989 by Jean-Christophe Collet
Comment:
 The lev_comp.pod copyright is a guess.  (The file was translated from
 lev_comp.6, which probably had the same copyright as lev_comp itself.)

Files: libnethack/util/makedefs.c
License: NGPL
Copyright:
 Copyright (c) Dean Luick, 1990
 Copyright (c) M. Stephenson, 1990, 1991
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack/util/checkglobals.sh
License: NGPL
Copyright: Copyright (c) 2013 Alex Smith

Files: testbench/*
License: NGPL
Copyright: Copyright (c) 2015 Alex Smith

Files: libuncursed/*
License: NGPL or GPL-2+
Copyright: Copyright (c) 2013-2014 Alex Smith

Files: libnethack_common/include/nethack*.h
License: NGPL
Copyright:
 These files have no explicit copyright notice.  However, the originals come
 from NitroHack, and thus likely have the following copyright based on their
 creation dates:
 Copyright (c) Daniel Thaler 2011-2012

Files: libnethack_common/*/common_options.*
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack_common/include/compilers.h
License: NGPL
Copyright:
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985
 Copyright (c) Alex Smith 2014

Files: libnethack_common/src/xmalloc.c
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: libnethack_common/src/trietable.c libnethack_common/include/trietable.h
License: NGPL
Copyright: Copyright (c) Alex Smith, 2015

Files: libnethack_common/src/hacklib.c
License: NGPL
Copyright:
 Copyright (c) Robert Patrick Rankin, 1991
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: libnethack_common/include/hacklib.h
License: NGPL
Copyright:
 Copyright (c) Alex Smith, 2013
 Copyright (c) Steve Creps, 1988

Files: libnethack_common/include/xmalloc.h
License: NGPL
Copyright:
 Copyright (c) Daniel Thaler, 2011
 Copyright (c) Alex Smith, 2013

Files: libnethack_common/*/menulist.*
License: NGPL
Copyright: Copyright (c) Alex Smith, 2013

Files: libnethack_common/*/utf8conv.*
License: NGPL
Copyright: Copyright (C) 2014 Alex Smith

Files: libnethack_common/*/netconnect.*
License: NGPL
Copyright:
 Copyright (c) Daniel Thaler, 2012
 Copyright (c) 2014 Alex Smith

Files: nethack/*
License: NGPL
Copyright: Copyright (c) Daniel Thaler, 2011

Files: nethack/src/getline.c
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: nethack/src/main.c
License: NGPL
Copyright: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985

Files: nethack/*/brandings.*
License: NGPL
Copyright: Copyright (c) 2013 Alex Smith

Files: nethack/src/extrawin.c nethack/src/motd.c
License: NGPL
Copyright: Copyright (c) 2014 Alex Smith

Files: libnethack_common/dat/motd.txt
License: NGPL
Copyright: Copyright (C) 2014 Alex Smith

Files: nethack_server/*
License: NGPL or GPL-2+
Copyright: Copyright (c) Daniel Thaler, 2011

Files: tilesets/missing-slashem-32-tiles.txt
License: NGPL
Copyright: Copyright (C) 2013 Alex Smith

Files: tilesets/dat/tiles/s-*.txt tilesets/dat/palettes/slashem.txt
License: NGPL
Copyright: These tiles were copied from an NGPL Slash'EM release that was
 Copyright (C) J. Ali Harlow 2000-2006, which gives the following
 explanation of the provenance and copyright status of the tiles:
 .
 Window ports can optionally make use of the tiles (pictures for NetHack
 symbols) found in this directory.  They are distributed in a text format
 with routines to help in converting them to a system's preferred format
 and using them there.  The original tiles were provided by Warwick Allison.
 .
 The 32x32 tileset stored in mon32mi.txt, obj32mi.txt and oth32mi.txt and the
 Psuedo-3D tileset stored in mon3dmi.txt, obj3dmi.txt and oth3dmi.txt were
 created by a number of different people under the direction of Mitsuhiro
 Itakura (ita@gold.koma.jaeri.go.jp) who also holds the copyright on these
 tiles.  The artists were:
 .
         Mitsuhiro Itakura
         Haruko Numata
         Edger
         ZMYDaino
         Wan'ichi
         Tatsuya
 .
 The 32x32 tileset stored in mon32alg.txt, obj32alg.txt and oth32alg.txt
 and the additional tiles stored in xxx32al2.txt (not used by all ports)
 were imported from AllegroHack, written by Kelly Youngblood (jry@pinn.net).
 The artists were:
 .
         Kelly Youngblood
         Paul Pliska
         John Harris
 .
 The 32x32 tileset stored in mon32aw.txt was contributed by Andrew Walker.
 .
 Slash'EM specific high resolution tiles are stored in mon32se.txt, obj32se.txt
 and oth32se.txt. These override those found in other tilesets.
 Tiles which are not present in any other set are created from the 16x16 tiles.

Files: tilesets/dat/tiles/n-343.txt
License: NGPL
Copyright: These tiles were taken from the NetHack 3.4.3 source tarball, and
 have no copyright notice for the individual tiles that were taken (although
 the files they were taken from were originally provided by Warwick Allison,
 the specific tiles taken were added later, and it is unclear who added them).
 .
 The tarball as a whole has this copyright:
 .
 Copyright 1985-2003 Stichting Mathematisch Centrum and M. Stephenson

Files: tilesets/dat/tiles/n-4-*.txt
License: NGPL
Copyright:
 Copyright (C) 2013 Alex Smith, in addition to the copyright on the tiles from
 Slash'EM on which these files are based (see tilesets/dat/tiles/s-*.txt).

Files: tilesets/dat/tiles/dawnlike-*.txt
License: CC-BY-3.0
Copyright:
 Copyright (C) Andrew Rios, 2014
Comment:
 These tiles originally came from the (CC-BY) DawnHack,
 <http://dragondeplatino.deviantart.com/art/DawnHack-NetHack-3-4-3-UnNetHack-5-1-0-416312313>.
Comment:
 Because this file only specifies artwork and is entirely independent
 of NetHack itself, there's no need for the license to be "combinable"
 with that of NetHack 4 as a whole.

Files: tilesets/dat/tiles/dawnlike-16.txt
License: CC-BY-SA-3.0
Copyright:
 Copyright (C) Andrew Rios, 2014
 .
 Dawnlike is registered under a CC-BY-SA 3.0 license, meaning that you
 are free to redistribute or edit any part of this tileset as long as
 you do not take the credit for it. I cannot stop you from using this
 tileset commercially, so feel free to sell any games using Dawnlike.
 .
 If you use this tileset you must accredit DawnBringer. That mad
 color-bending genius came up with the palette this entire pack lives
 on. Without his palette, I would probably never would have even
 finished DawnHack. As for crediting me, I have a unique
 request. Inside "Reptiles.png" you will find a Platino sprite. If you
 use Dawnlike, you MUST use this sprite and hide him very well!
Comment:
 Because this file only specifies artwork and is entirely independent
 of NetHack itself, there's no need for the license to be "combinable"
 with that of NetHack 4 as a whole.

Files: tilesets/dat/tiles/rltiles-32.png
License: rltiles-attribution
 You can use these tilesets in your program freely. Please include the
 following text in your distribution package, either as a separate
 file or incorpolated into your license notice document. The fourth
 line is optional: Delete it if you have not modified the tiles. If
 you have modified some of the tiles, replace "YOURNAME" by your name.
Comment:
 "Fourth line" in the license appears to be referring to the "Some of
 the tiles" line, which previously ended "YOURNAME" rather than "Raz".
 The "following text" is under the "Copyright" section here.
Copyright:
 Part of (or All) the graphic tiles used in this program is the public
 domain roguelike tileset "RLTiles".
 Some of the tiles have been modified by Raz.
 .
 You can find the original tileset at:
 http://rltiles.sf.net
 .
 The list of contributors to the original RLTiles was:
 .
 Denzi
 =========
 dwarf lord, watchman, watch captain, page, raven,
 *About half of the Dungeon Crawl tiles*
 *Allmost all the player tiles*
 .
 Alex Korol
 =========
 dc/abomination*.bmp, 64x64 stairs tile, 64x64 swamp dragon
 .
 Edger
 =========
 Cerberus
 .
 Wan-ichi
 =========
 werejackal, werewolf, leocrotta, wumpus,
 titanothere, baluchitherium, wererat
 .
 So-Miya
 =========
 chickatrice, pyrolisk, vampire, vampire mage
 storm giant, silver dragon scale mail, shimmering dragon scale mail
 silver dragon scales, shimmering dragon scales, baby shimmering dragon
 shimmering dragon, baby silver dragon, silver dragon
 master mind flayer, leather cloak, magcal explosions
 .
 Haruko Numata
 =========
 rope golem, leather golem, flesh golem, clay golem
 stone golem, horned devil,
 Lord Carnarvon, Pelias, Shaman Karnov, Hippocrates,
 King Arthur, Arch Priest, Master of Thieves, Norn, Wizard of Balance,
 low boots, iron shoes, high boots, combat boots, jungle boots,
 hiking boots, mud boots
 .
 Tatsuya
 =========
 knight(3D), samurai(3D), barbarian(3D)
 hill giant(3D), dragons(3D)
 .
 from AllegroHack (Kelly Youngblood, Paul Pliska, John Harris)
 =========
 gas spore, flaming sphere, shocking sphere
 .
 Dainokata
 =========
 warg, manes, shrieker,
 water moccasin, elf zombie,human zombie,
 straw golem, iron golem, wererat, shopkeeper,
 guard, iguana, caveman, healer, rogue,
 tourist, dart, aklys, elven bow,
 orcish bow, elven cloak,
 orcish cloak, opera cloak, sack,
 lock pick, lamp, blindfold, towel,
 leash, stethoscope, tinning kit, figurine,
 cram ration, food ration, statue, alter, sink
 .
 Zmy
 =========
 dog, large dog, bugbear, rothe, ape, owlbear,
 skeleton, Woodland-elf, Green-elf, Grey-elf,
 Croesus, marilith, vrock, hezrou, nalfeshnee, Orcus,
 Demogorgon, cavewoman, Elwing, dwarvish mattock,
 pickaxe, Kop Lieutenant, Kop Sergeant, elf-lord
 Oracle, Archon, Snake, pyton, cobra, Earendil

Files: tilesets/dat/catalogues/*.txt*
License: NGPL
Copyright: Copyright (C) 2013, 2014 Alex Smith

Files: tilesets/dat/maps/*.map
License: NGPL
Copyright:
 It's unclear whether these files are copyrightable at all, being a list of
 short phrases in an order required for interoperability (this lists the
 sequence of tiles used in existing tile images used in previous versions of
 NetHack).  Thus, they may well be public domain.  If not, they are definitely
 NGPL-compatible, given that all the sources on which they are based are
 NGPL; the main original sources are libnethack/src/{objects,mon,drawing}.c,
 which would give the following combined copyright:
 .
 Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
 Copyright (c) Mike Threepoint, 1989.
 Copyright (c) NetHack Development Team 1992.

Files: tilesets/dat/tiles/rltiles.map tilesets/dat/text/dungeoncolors.txt
License: NGPL
Copyright:
 Copyright (C) 2014 Alex Smith
 .
 This file was written by Alex Smith, and encodes a dungeon coloring
 scheme suggested by Raz (the RLtiles artist).

Files: tilesets/dat/tiles/los-transformations.txt
License: NGPL
Copyright: Copyright (C) 2015 Alex Smith

Files: tilesets/dat/maps/dawnlike.map
License: CC-BY-SA-3.0
Copyright: Copyright (C) 2014 Alex Smith
Comment:
 Unlike some other files in its directory, this one is rather more complex and
 involves creative input (the selection of which tiles from DawnLike should be
 used to represent which objects in NetHack).  Thus, it is highly unlikely to
 be public domain.  (Rather, it has been placed under the same license as
 DawnLike, to simplify the license of the resulting tileset post-compilation.)

Files: tilesets/dat/fonts/*.txt
License: NGPL
Copyright: Copyright (C) 2002 Andrew Apted <ajapted@users.sourceforge.net>
Comment: The format of these files in the original source made it
 impossible for them to contain an explicit copyright notice. However,
 they are definitively NGPL (due to being distributed with the
 NGPL'd Slash'EM), and are very likely to have the copyright
 conditions shown above, because all the other files in the directory
 had that copyright notice.

Files: tilesets/dat/text/*.txt
License: NGPL
Copyright: Copyright (C) 2014 Alex Smith

Files: tilesets/src/bigtile.c tilesets/src/magtile.c
License: NGPL
Copyright: Copyright (c) NetHack Development Team 1995

Files: tilesets/util/*.c tilesets/include/tilecompile.h
License: NGPL
Copyright: Copyright (C) 2014 Alex Smith

Files: tilesets/src/fallback-tileset-image.c
License: NGPL
Copyright: Copyright (C) 2015 Alex Smith

Files: tilesets/util/tileset-image.c
License: NGPL
Copyright:
 Copyright (C) Andrew Apted <ajapted@users.sourceforge.net> 2002
               Slash'EM Development Team 2003
 Copyright (C) 2014 Alex Smith

Files: tilesets/include/tilesequence.h
License: NGPL
Copyright:
 Copyright (c) Dean Luick, with acknowledgements to Kevin Darcy and Dave Cohrs 1990
 Copyright (c) 2013 Alex Smith

Files: tilesets/src/tilesequence.c
License: NGPL
Copyright: Copyright (c) 2013 Alex Smith

Files: scripts/*
License: NGPL
Copyright: Copyright (c) 2013-2014 Alex Smith

Files: dist/debian/* dist/common/* dist/version-number-updates.txt
License: NGPL
Copyright: Copyright (c) 2013-2014 Alex Smith

Files: doc/changelog.txt doc/faq.txt doc/mainloop.txt doc/philosophy.txt doc/saves.txt doc/developer-information.txt
License: NGPL
Copyright: Copyright (c) 2013-2015 Alex Smith

Files: doc/changelog-fiqhack.txt
Locense: public-domain
Copyright: Not Applicable / Waived by Author

Files: doc/nethack4.pod doc/tilecompile.pod
License: NGPL
Copyright: Copyright (c) 2014-2015 Alex Smith

Files: doc/nh4ct.pod
License: NGPL
Copyright:
 Copyright (c) 2013-2015 Alex Smith
 .
 This documentation file was originally based on the tiles documentation from
 Slash'EM, but it is unclear if any of that documentation is still left.
 .
 (The Slash'EM documentation in question is NGPL, but does not list an explicit
 author.)

Files: doc/ai.txt
License: NGPL
Copyright: Copyright (C) 2015 Alex Smith

Files: doc/dungeon.txt
License: NGPL
Copyright: Copyright (c) 2013 Sean Hunt

Files: doc/server_protocol.txt
License: NGPL
Copyright:
 This document documents the version of the network protocol used in
 NetHack 4.3, and was written by Daniel Thaler, GreyKnight, Alex Smith.

Files: doc/tilesets.txt
License: NGPL
Copyright: Copyright (c) 2013 Alex Smith
Comment: Loosely based on the equivalent documentation from Slash'EM
 (which is also NGPL, and does not list an author). The vast majority
 was written by Alex Smith, however.

Files: doc/guidebook.asc
License: NGPL
Copyright:
 This file has no explicit copyright notice, but based on the history
 of the files, this appears to be a good approximation of the
 situation:
 Copyright (c) 1987-2014 Eric S. Raymond
 Copyright (c) 1989 Mike Threepoint [and possibly other years]

Files: .indent.pro
License: NGPL
Copyright: Copyright (c) 2013 Alex Smith

Files: README
License: NGPL
Copyright: Copyright (c) 2013 Alex Smith

Files: prebuilt/README.prebuilt
License: public-domain
 (The license on the file is not specified explicitly.)
Copyright: This file is only one short sentence.  It was written by
 Alex Smith, who does not wish to enforce copyright on it.  (It's
 also entirely unused during the build, and exists only to explain the
 purpose of the directory in which it resides.)

Files: COPYING
License: NGPL
Copyright: Copyright (C) 2013-2015 Alex Smith

Files: aimake.rules
License: NGPL
Copyright: Copyright (c) Alex Smith, 2013

Files: aimake
License: GPL-3+
Copyright: Copyright (C) 2013, 2014, 2015 Alex Smith
Comment: aimake is only used as the build system and none of it is compiled
 into the resulting executables. As such, there is no license clash between
 it and the files it's compiling, just as there is no problem using a GPL'd
 compiler to compile proprietary source.

Files: libnethack/dat/license
License: verbatim
 Everyone is permitted to copy and distribute verbatim copies of this
 license, but changing it is not allowed.
Copyright:
 Copyright 1989 M. Stephenson
 Copyright 1988 Richard M. Stallman
Comment:
 The license under which the text of the NGPL itself is distributed.
 It is not used for any code.

Files: libnethack/dat/gpl
License: verbatim
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
Copyright: Copyright (C) 1989, 1991 Free Software Foundation, Inc.
Comment:
 The license under which the text of the GPL-2 itself is distributed.
 It is not used for any code.

Files: libnethack/util/savemap.pl
License: Expat
Copyright: Copyright (c) 2014 Derrick Sund

Files: libjansson/*
License: Expat
Copyright: Copyright (c) 2009-2011 Petri Lehtinen <petri@digip.org>

License: NGPL
                     NETHACK GENERAL PUBLIC LICENSE
                     (Copyright 1989 M. Stephenson)
 .
                (Based on the BISON general public license,
                    copyright 1988 Richard M. Stallman)
 .
  Everyone is permitted to copy and distribute verbatim copies of this
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  make the terms for other programs.
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   The license agreements of most software companies keep you at the mercy of
 those companies.  By contrast, our general public license is intended to give
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 want you to have, we need to make restrictions that forbid anyone to deny you
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                         COPYING POLICIES
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 Stated plainly:  You are permitted to modify NetHack, or otherwise use parts
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License: Expat
 Permission is hereby granted, free of charge, to any person obtaining a copy
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License: CC-BY-3.0
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License: CC-BY-SA-3.0
 This work is licenced under the Creative Commons Attribution-Share
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License: GPL-2+
 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.
 .
 A copy of version 2 of the GNU General Public License can be viewed
 online at <http://www.gnu.org/licenses/>.  It is also viewable as
 "GPL-2" in the "copyright" file that ships with NetHack 4, and is
 provided with many operating systems (e.g. on Debian,
 </usr/share/common-licenses/GPL-2>).

License: GPL-3+
 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 3 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.
 .
 A copy of version 3 of the GNU General Public License can be viewed
 online at <http://www.gnu.org/licenses/>.  It is also viewable as
 "GPL-3" in the "copyright" file that ships with NetHack 4, and is
 provided with many operating systems (e.g. on Debian,
 </usr/share/common-licenses/GPL-3>).

License: GPL-2
                     GNU GENERAL PUBLIC LICENSE
                        Version 2, June 1991
 .
  Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 .
                             Preamble
 .
   The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
 License is intended to guarantee your freedom to share and change free
 software--to make sure the software is free for all its users.  This
 General Public License applies to most of the Free Software
 Foundation's software and to any other program whose authors commit to
 using it.  (Some other Free Software Foundation software is covered by
 the GNU Lesser General Public License instead.)  You can apply it to
 your programs, too.
 .
   When we speak of free software, we are referring to freedom, not
 price.  Our General Public Licenses are designed to make sure that you
 have the freedom to distribute copies of free software (and charge for
 this service if you wish), that you receive source code or can get it
 if you want it, that you can change the software or use pieces of it
 in new free programs; and that you know you can do these things.
 .
   To protect your rights, we need to make restrictions that forbid
 anyone to deny you these rights or to ask you to surrender the rights.
 These restrictions translate to certain responsibilities for you if you
 distribute copies of the software, or if you modify it.
 .
   For example, if you distribute copies of such a program, whether
 gratis or for a fee, you must give the recipients all the rights that
 you have.  You must make sure that they, too, receive or can get the
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   We protect your rights with two steps: (1) copyright the software, and
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   Finally, any free program is threatened constantly by software
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   The precise terms and conditions for copying, distribution and
 modification follow.
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                     GNU GENERAL PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 .
   0. This License applies to any program or other work which contains
 a notice placed by the copyright holder saying it may be distributed
 under the terms of this General Public License.  The "Program", below,
 refers to any such program or work, and a "work based on the Program"
 means either the Program or any derivative work under copyright law:
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 Activities other than copying, distribution and modification are not
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   1. You may copy and distribute verbatim copies of the Program's
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 You may charge a fee for the physical act of transferring a copy, and
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     a) You must cause the modified files to carry prominent notices
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     b) You must cause any work that you distribute or publish, that in
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 These requirements apply to the modified work as a whole.  If
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 It is not the purpose of this section to induce you to infringe any
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 Each version is given a distinguishing version number.  If the Program
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                             NO WARRANTY
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   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
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 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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                      END OF TERMS AND CONDITIONS
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             How to Apply These Terms to Your New Programs
 .
   If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
 free software which everyone can redistribute and change under these terms.
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   To do so, attach the following notices to the program.  It is safest
 to attach them to the start of each source file to most effectively
 convey the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
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     <one line to give the program's name and a brief idea of what it does.>
     Copyright (C) <year>  <name of author>
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     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.
 .
     You should have received a copy of the GNU General Public License along
     with this program; if not, write to the Free Software Foundation, Inc.,
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 .
 Also add information on how to contact you by electronic and paper mail.
 .
 If the program is interactive, make it output a short notice like this
 when it starts in an interactive mode:
 .
     Gnomovision version 69, Copyright (C) year name of author
     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type `show c' for details.
 .
 The hypothetical commands `show w' and `show c' should show the appropriate
 parts of the General Public License.  Of course, the commands you use may
 be called something other than `show w' and `show c'; they could even be
 mouse-clicks or menu items--whatever suits your program.
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 You should also get your employer (if you work as a programmer) or your
 school, if any, to sign a "copyright disclaimer" for the program, if
 necessary.  Here is a sample; alter the names:
 .
   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
   `Gnomovision' (which makes passes at compilers) written by James Hacker.
 .
   <signature of Ty Coon>, 1 April 1989
   Ty Coon, President of Vice
 .
 This General Public License does not permit incorporating your program into
 proprietary programs.  If your program is a subroutine library, you may
 consider it more useful to permit linking proprietary applications with the
 library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.

License: GPL-3
                     GNU GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
 .
  Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 .
                             Preamble
 .
   The GNU General Public License is a free, copyleft license for
 software and other kinds of works.
 .
   The licenses for most software and other practical works are designed
 to take away your freedom to share and change the works.  By contrast,
 the GNU General Public License is intended to guarantee your freedom to
 share and change all versions of a program--to make sure it remains free
 software for all its users.  We, the Free Software Foundation, use the
 GNU General Public License for most of our software; it applies also to
 any other work released this way by its authors.  You can apply it to
 your programs, too.
 .
   When we speak of free software, we are referring to freedom, not
 price.  Our General Public Licenses are designed to make sure that you
 have the freedom to distribute copies of free software (and charge for
 them if you wish), that you receive source code or can get it if you
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   To protect your rights, we need to prevent others from denying you
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   For example, if you distribute copies of such a program, whether
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   Developers that use the GNU GPL protect your rights with two steps:
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 giving you legal permission to copy, distribute and/or modify it.
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   For the developers' and authors' protection, the GPL clearly explains
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   Some devices are designed to deny users access to install or run
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   Finally, every program is threatened constantly by software patents.
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   The precise terms and conditions for copying, distribution and
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                        TERMS AND CONDITIONS
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   0. Definitions.
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   "This License" refers to version 3 of the GNU General Public License.
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   "Copyright" also means copyright-like laws that apply to other kinds of
 works, such as semiconductor masks.
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   "The Program" refers to any copyrightable work licensed under this
 License.  Each licensee is addressed as "you".  "Licensees" and
 "recipients" may be individuals or organizations.
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   To "modify" a work means to copy from or adapt all or part of the work
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 earlier work or a work "based on" the earlier work.
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   A "covered work" means either the unmodified Program or a work based
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   To "propagate" a work means to do anything with it that, without
 permission, would make you directly or secondarily liable for
 infringement under applicable copyright law, except executing it on a
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   To "convey" a work means any kind of propagation that enables other
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   An interactive user interface displays "Appropriate Legal Notices"
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 tells the user that there is no warranty for the work (except to the
 extent that warranties are provided), that licensees may convey the
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 the interface presents a list of user commands or options, such as a
 menu, a prominent item in the list meets this criterion.
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   1. Source Code.
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   The "source code" for a work means the preferred form of the work
 for making modifications to it.  "Object code" means any non-source
 form of a work.
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   A "Standard Interface" means an interface that either is an official
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 interfaces specified for a particular programming language, one that
 is widely used among developers working in that language.
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   The "System Libraries" of an executable work include anything, other
 than the work as a whole, that (a) is included in the normal form of
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 Component, and (b) serves only to enable use of the work with that
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   The "Corresponding Source" for a work in object code form means all
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 which are not part of the work.  For example, Corresponding Source
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 subprograms and other parts of the work.
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   The Corresponding Source need not include anything that users
 can regenerate automatically from other parts of the Corresponding
 Source.
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   The Corresponding Source for a work in source code form is that
 same work.
 .
   2. Basic Permissions.
 .
   All rights granted under this License are granted for the term of
 copyright on the Program, and are irrevocable provided the stated
 conditions are met.  This License explicitly affirms your unlimited
 permission to run the unmodified Program.  The output from running a
 covered work is covered by this License only if the output, given its
 content, constitutes a covered work.  This License acknowledges your
 rights of fair use or other equivalent, as provided by copyright law.
 .
   You may make, run and propagate covered works that you do not
 convey, without conditions so long as your license otherwise remains
 in force.  You may convey covered works to others for the sole purpose
 of having them make modifications exclusively for you, or provide you
 with facilities for running those works, provided that you comply with
 the terms of this License in conveying all material for which you do
 not control copyright.  Those thus making or running the covered works
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 and control, on terms that prohibit them from making any copies of
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   Conveying under any other circumstances is permitted solely under
 the conditions stated below.  Sublicensing is not allowed; section 10
 makes it unnecessary.
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   3. Protecting Users' Legal Rights From Anti-Circumvention Law.
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   No covered work shall be deemed part of an effective technological
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 11 of the WIPO copyright treaty adopted on 20 December 1996, or
 similar laws prohibiting or restricting circumvention of such
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   When you convey a covered work, you waive any legal power to forbid
 circumvention of technological measures to the extent such circumvention
 is effected by exercising rights under this License with respect to
 the covered work, and you disclaim any intention to limit operation or
 modification of the work as a means of enforcing, against the work's
 users, your or third parties' legal rights to forbid circumvention of
 technological measures.
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   4. Conveying Verbatim Copies.
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   You may convey verbatim copies of the Program's source code as you
 receive it, in any medium, provided that you conspicuously and
 appropriately publish on each copy an appropriate copyright notice;
 keep intact all notices stating that this License and any
 non-permissive terms added in accord with section 7 apply to the code;
 keep intact all notices of the absence of any warranty; and give all
 recipients a copy of this License along with the Program.
 .
   You may charge any price or no price for each copy that you convey,
 and you may offer support or warranty protection for a fee.
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   5. Conveying Modified Source Versions.
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   You may convey a work based on the Program, or the modifications to
 produce it from the Program, in the form of source code under the
 terms of section 4, provided that you also meet all of these conditions:
 .
     a) The work must carry prominent notices stating that you modified
     it, and giving a relevant date.
 .
     b) The work must carry prominent notices stating that it is
     released under this License and any conditions added under section
     7.  This requirement modifies the requirement in section 4 to
     "keep intact all notices".
 .
     c) You must license the entire work, as a whole, under this
     License to anyone who comes into possession of a copy.  This
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     additional terms, to the whole of the work, and all its parts,
     regardless of how they are packaged.  This License gives no
     permission to license the work in any other way, but it does not
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     d) If the work has interactive user interfaces, each must display
     Appropriate Legal Notices; however, if the Program has interactive
     interfaces that do not display Appropriate Legal Notices, your
     work need not make them do so.
 .
   A compilation of a covered work with other separate and independent
 works, which are not by their nature extensions of the covered work,
 and which are not combined with it such as to form a larger program,
 in or on a volume of a storage or distribution medium, is called an
 "aggregate" if the compilation and its resulting copyright are not
 used to limit the access or legal rights of the compilation's users
 beyond what the individual works permit.  Inclusion of a covered work
 in an aggregate does not cause this License to apply to the other
 parts of the aggregate.
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   6. Conveying Non-Source Forms.
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   You may convey a covered work in object code form under the terms
 of sections 4 and 5, provided that you also convey the
 machine-readable Corresponding Source under the terms of this License,
 in one of these ways:
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     a) Convey the object code in, or embodied in, a physical product
     (including a physical distribution medium), accompanied by the
     Corresponding Source fixed on a durable physical medium
     customarily used for software interchange.
 .
     b) Convey the object code in, or embodied in, a physical product
     (including a physical distribution medium), accompanied by a
     written offer, valid for at least three years and valid for as
     long as you offer spare parts or customer support for that product
     model, to give anyone who possesses the object code either (1) a
     copy of the Corresponding Source for all the software in the
     product that is covered by this License, on a durable physical
     medium customarily used for software interchange, for a price no
     more than your reasonable cost of physically performing this
     conveying of source, or (2) access to copy the
     Corresponding Source from a network server at no charge.
 .
     c) Convey individual copies of the object code with a copy of the
     written offer to provide the Corresponding Source.  This
     alternative is allowed only occasionally and noncommercially, and
     only if you received the object code with such an offer, in accord
     with subsection 6b.
 .
     d) Convey the object code by offering access from a designated
     place (gratis or for a charge), and offer equivalent access to the
     Corresponding Source in the same way through the same place at no
     further charge.  You need not require recipients to copy the
     Corresponding Source along with the object code.  If the place to
     copy the object code is a network server, the Corresponding Source
     may be on a different server (operated by you or a third party)
     that supports equivalent copying facilities, provided you maintain
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 .
     e) Convey the object code using peer-to-peer transmission, provided
     you inform other peers where the object code and Corresponding
     Source of the work are being offered to the general public at no
     charge under subsection 6d.
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   A separable portion of the object code, whose source code is excluded
 from the Corresponding Source as a System Library, need not be
 included in conveying the object code work.
 .
   A "User Product" is either (1) a "consumer product", which means any
 tangible personal property which is normally used for personal, family,
 or household purposes, or (2) anything designed or sold for incorporation
 into a dwelling.  In determining whether a product is a consumer product,
 doubtful cases shall be resolved in favor of coverage.  For a particular
 product received by a particular user, "normally used" refers to a
 typical or common use of that class of product, regardless of the status
 of the particular user or of the way in which the particular user
 actually uses, or expects or is expected to use, the product.  A product
 is a consumer product regardless of whether the product has substantial
 commercial, industrial or non-consumer uses, unless such uses represent
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   "Installation Information" for a User Product means any methods,
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 and execute modified versions of a covered work in that User Product from
 a modified version of its Corresponding Source.  The information must
 suffice to ensure that the continued functioning of the modified object
 code is in no case prevented or interfered with solely because
 modification has been made.
 .
   If you convey an object code work under this section in, or with, or
 specifically for use in, a User Product, and the conveying occurs as
 part of a transaction in which the right of possession and use of the
 User Product is transferred to the recipient in perpetuity or for a
 fixed term (regardless of how the transaction is characterized), the
 Corresponding Source conveyed under this section must be accompanied
 by the Installation Information.  But this requirement does not apply
 if neither you nor any third party retains the ability to install
 modified object code on the User Product (for example, the work has
 been installed in ROM).
 .
   The requirement to provide Installation Information does not include a
 requirement to continue to provide support service, warranty, or updates
 for a work that has been modified or installed by the recipient, or for
 the User Product in which it has been modified or installed.  Access to a
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 adversely affects the operation of the network or violates the rules and
 protocols for communication across the network.
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   Corresponding Source conveyed, and Installation Information provided,
 in accord with this section must be in a format that is publicly
 documented (and with an implementation available to the public in
 source code form), and must require no special password or key for
 unpacking, reading or copying.
 .
   7. Additional Terms.
 .
   "Additional permissions" are terms that supplement the terms of this
 License by making exceptions from one or more of its conditions.
 Additional permissions that are applicable to the entire Program shall
 be treated as though they were included in this License, to the extent
 that they are valid under applicable law.  If additional permissions
 apply only to part of the Program, that part may be used separately
 under those permissions, but the entire Program remains governed by
 this License without regard to the additional permissions.
 .
   When you convey a copy of a covered work, you may at your option
 remove any additional permissions from that copy, or from any part of
 it.  (Additional permissions may be written to require their own
 removal in certain cases when you modify the work.)  You may place
 additional permissions on material, added by you to a covered work,
 for which you have or can give appropriate copyright permission.
 .
   Notwithstanding any other provision of this License, for material you
 add to a covered work, you may (if authorized by the copyright holders of
 that material) supplement the terms of this License with terms:
 .
     a) Disclaiming warranty or limiting liability differently from the
     terms of sections 15 and 16 of this License; or
 .
     b) Requiring preservation of specified reasonable legal notices or
     author attributions in that material or in the Appropriate Legal
     Notices displayed by works containing it; or
 .
     c) Prohibiting misrepresentation of the origin of that material, or
     requiring that modified versions of such material be marked in
     reasonable ways as different from the original version; or
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     d) Limiting the use for publicity purposes of names of licensors or
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     e) Declining to grant rights under trademark law for use of some
     trade names, trademarks, or service marks; or
 .
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     material by anyone who conveys the material (or modified versions of
     it) with contractual assumptions of liability to the recipient, for
     any liability that these contractual assumptions directly impose on
     those licensors and authors.
 .
   All other non-permissive additional terms are considered "further
 restrictions" within the meaning of section 10.  If the Program as you
 received it, or any part of it, contains a notice stating that it is
 governed by this License along with a term that is a further
 restriction, you may remove that term.  If a license document contains
 a further restriction but permits relicensing or conveying under this
 License, you may add to a covered work material governed by the terms
 of that license document, provided that the further restriction does
 not survive such relicensing or conveying.
 .
   If you add terms to a covered work in accord with this section, you
 must place, in the relevant source files, a statement of the
 additional terms that apply to those files, or a notice indicating
 where to find the applicable terms.
 .
   Additional terms, permissive or non-permissive, may be stated in the
 form of a separately written license, or stated as exceptions;
 the above requirements apply either way.
 .
   8. Termination.
 .
   You may not propagate or modify a covered work except as expressly
 provided under this License.  Any attempt otherwise to propagate or
 modify it is void, and will automatically terminate your rights under
 this License (including any patent licenses granted under the third
 paragraph of section 11).
 .
   However, if you cease all violation of this License, then your
 license from a particular copyright holder is reinstated (a)
 provisionally, unless and until the copyright holder explicitly and
 finally terminates your license, and (b) permanently, if the copyright
 holder fails to notify you of the violation by some reasonable means
 prior to 60 days after the cessation.
 .
   Moreover, your license from a particular copyright holder is
 reinstated permanently if the copyright holder notifies you of the
 violation by some reasonable means, this is the first time you have
 received notice of violation of this License (for any work) from that
 copyright holder, and you cure the violation prior to 30 days after
 your receipt of the notice.
 .
   Termination of your rights under this section does not terminate the
 licenses of parties who have received copies or rights from you under
 this License.  If your rights have been terminated and not permanently
 reinstated, you do not qualify to receive new licenses for the same
 material under section 10.
 .
   9. Acceptance Not Required for Having Copies.
 .
   You are not required to accept this License in order to receive or
 run a copy of the Program.  Ancillary propagation of a covered work
 occurring solely as a consequence of using peer-to-peer transmission
 to receive a copy likewise does not require acceptance.  However,
 nothing other than this License grants you permission to propagate or
 modify any covered work.  These actions infringe copyright if you do
 not accept this License.  Therefore, by modifying or propagating a
 covered work, you indicate your acceptance of this License to do so.
 .
   10. Automatic Licensing of Downstream Recipients.
 .
   Each time you convey a covered work, the recipient automatically
 receives a license from the original licensors, to run, modify and
 propagate that work, subject to this License.  You are not responsible
 for enforcing compliance by third parties with this License.
 .
   An "entity transaction" is a transaction transferring control of an
 organization, or substantially all assets of one, or subdividing an
 organization, or merging organizations.  If propagation of a covered
 work results from an entity transaction, each party to that
 transaction who receives a copy of the work also receives whatever
 licenses to the work the party's predecessor in interest had or could
 give under the previous paragraph, plus a right to possession of the
 Corresponding Source of the work from the predecessor in interest, if
 the predecessor has it or can get it with reasonable efforts.
 .
   You may not impose any further restrictions on the exercise of the
 rights granted or affirmed under this License.  For example, you may
 not impose a license fee, royalty, or other charge for exercise of
 rights granted under this License, and you may not initiate litigation
 (including a cross-claim or counterclaim in a lawsuit) alleging that
 any patent claim is infringed by making, using, selling, offering for
 sale, or importing the Program or any portion of it.
 .
   11. Patents.
 .
   A "contributor" is a copyright holder who authorizes use under this
 License of the Program or a work on which the Program is based.  The
 work thus licensed is called the contributor's "contributor version".
 .
   A contributor's "essential patent claims" are all patent claims
 owned or controlled by the contributor, whether already acquired or
 hereafter acquired, that would be infringed by some manner, permitted
 by this License, of making, using, or selling its contributor version,
 but do not include claims that would be infringed only as a
 consequence of further modification of the contributor version.  For
 purposes of this definition, "control" includes the right to grant
 patent sublicenses in a manner consistent with the requirements of
 this License.
 .
   Each contributor grants you a non-exclusive, worldwide, royalty-free
 patent license under the contributor's essential patent claims, to
 make, use, sell, offer for sale, import and otherwise run, modify and
 propagate the contents of its contributor version.
 .
   In the following three paragraphs, a "patent license" is any express
 agreement or commitment, however denominated, not to enforce a patent
 (such as an express permission to practice a patent or covenant not to
 sue for patent infringement).  To "grant" such a patent license to a
 party means to make such an agreement or commitment not to enforce a
 patent against the party.
 .
   If you convey a covered work, knowingly relying on a patent license,
 and the Corresponding Source of the work is not available for anyone
 to copy, free of charge and under the terms of this License, through a
 publicly available network server or other readily accessible means,
 then you must either (1) cause the Corresponding Source to be so
 available, or (2) arrange to deprive yourself of the benefit of the
 patent license for this particular work, or (3) arrange, in a manner
 consistent with the requirements of this License, to extend the patent
 license to downstream recipients.  "Knowingly relying" means you have
 actual knowledge that, but for the patent license, your conveying the
 covered work in a country, or your recipient's use of the covered work
 in a country, would infringe one or more identifiable patents in that
 country that you have reason to believe are valid.
 .
   If, pursuant to or in connection with a single transaction or
 arrangement, you convey, or propagate by procuring conveyance of, a
 covered work, and grant a patent license to some of the parties
 receiving the covered work authorizing them to use, propagate, modify
 or convey a specific copy of the covered work, then the patent license
 you grant is automatically extended to all recipients of the covered
 work and works based on it.
 .
   A patent license is "discriminatory" if it does not include within
 the scope of its coverage, prohibits the exercise of, or is
 conditioned on the non-exercise of one or more of the rights that are
 specifically granted under this License.  You may not convey a covered
 work if you are a party to an arrangement with a third party that is
 in the business of distributing software, under which you make payment
 to the third party based on the extent of your activity of conveying
 the work, and under which the third party grants, to any of the
 parties who would receive the covered work from you, a discriminatory
 patent license (a) in connection with copies of the covered work
 conveyed by you (or copies made from those copies), or (b) primarily
 for and in connection with specific products or compilations that
 contain the covered work, unless you entered into that arrangement,
 or that patent license was granted, prior to 28 March 2007.
 .
   Nothing in this License shall be construed as excluding or limiting
 any implied license or other defenses to infringement that may
 otherwise be available to you under applicable patent law.
 .
   12. No Surrender of Others' Freedom.
 .
   If conditions are imposed on you (whether by court order, agreement or
 otherwise) that contradict the conditions of this License, they do not
 excuse you from the conditions of this License.  If you cannot convey a
 covered work so as to satisfy simultaneously your obligations under this
 License and any other pertinent obligations, then as a consequence you may
 not convey it at all.  For example, if you agree to terms that obligate you
 to collect a royalty for further conveying from those to whom you convey
 the Program, the only way you could satisfy both those terms and this
 License would be to refrain entirely from conveying the Program.
 .
   13. Use with the GNU Affero General Public License.
 .
   Notwithstanding any other provision of this License, you have
 permission to link or combine any covered work with a work licensed
 under version 3 of the GNU Affero General Public License into a single
 combined work, and to convey the resulting work.  The terms of this
 License will continue to apply to the part which is the covered work,
 but the special requirements of the GNU Affero General Public License,
 section 13, concerning interaction through a network will apply to the
 combination as such.
 .
   14. Revised Versions of this License.
 .
   The Free Software Foundation may publish revised and/or new versions of
 the GNU General Public License from time to time.  Such new versions will
 be similar in spirit to the present version, but may differ in detail to
 address new problems or concerns.
 .
   Each version is given a distinguishing version number.  If the
 Program specifies that a certain numbered version of the GNU General
 Public License "or any later version" applies to it, you have the
 option of following the terms and conditions either of that numbered
 version or of any later version published by the Free Software
 Foundation.  If the Program does not specify a version number of the
 GNU General Public License, you may choose any version ever published
 by the Free Software Foundation.
 .
   If the Program specifies that a proxy can decide which future
 versions of the GNU General Public License can be used, that proxy's
 public statement of acceptance of a version permanently authorizes you
 to choose that version for the Program.
 .
   Later license versions may give you additional or different
 permissions.  However, no additional obligations are imposed on any
 author or copyright holder as a result of your choosing to follow a
 later version.
 .
   15. Disclaimer of Warranty.
 .
   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
 APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
 HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
 OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
 IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
 ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
 .
   16. Limitation of Liability.
 .
   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGES.
 .
   17. Interpretation of Sections 15 and 16.
 .
   If the disclaimer of warranty and limitation of liability provided
 above cannot be given local legal effect according to their terms,
 reviewing courts shall apply local law that most closely approximates
 an absolute waiver of all civil liability in connection with the
 Program, unless a warranty or assumption of liability accompanies a
 copy of the Program in return for a fee.
 .
                      END OF TERMS AND CONDITIONS
 .
             How to Apply These Terms to Your New Programs
 .
   If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
 free software which everyone can redistribute and change under these terms.
 .
   To do so, attach the following notices to the program.  It is safest
 to attach them to the start of each source file to most effectively
 state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
 .
     <one line to give the program's name and a brief idea of what it does.>
     Copyright (C) <year>  <name of author>
 .
     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 3 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.
 .
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 .
 Also add information on how to contact you by electronic and paper mail.
 .
   If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
 .
     <program>  Copyright (C) <year>  <name of author>
     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type `show c' for details.
 .
 The hypothetical commands `show w' and `show c' should show the appropriate
 parts of the General Public License.  Of course, your program's commands
 might be different; for a GUI interface, you would use an "about box".
 .
   You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <http://www.gnu.org/licenses/>.
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   The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <http://www.gnu.org/philosophy/why-not-lgpl.html>.

License: BSD-2
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