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- This is the pre-packaged Debian Linux version of the libpng graphics
- library. It was packaged by Philippe Troin <phil@fifi.org>
- from sources originally retrieved from ftp://swrinde.nde.swri.edu/pub/png/src/
-
- The packaging itself is
- copyright (C) 2001 Philippe Troin <phil@fifi.org>,
- copyright 2002 Junichi Uekawa <dancer@debian.org>,
- copyright 2003 Josselin Mouette <joss@debian.org> and
- copyright 2006-2009 Anibal Monsalve Salazar <anibal@debian.org>.
- It is licensed under the GNU General Public License v2 or later. On
- Debian systems, the GPL is in /usr/share/common-licenses/GPL-2.
-
- Here is the copyright and license for libpng:
-
- libpng version 1.2.26 - April 2, 2008
- Copyright (c) 1998-2008 Glenn Randers-Pehrson
- (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
-
- Authors and maintainers:
- libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
- libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- libpng versions 0.97, January 1998, through 1.2.26 - April 2, 2008: Glenn
- See also "Contributing Authors", below.
-
-
- COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
-
- If you modify libpng you may insert additional notices immediately following
- this sentence.
-
- libpng versions 1.2.6, August 15, 2004, through 1.2.26, April 2, 2008, are
- Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are
- distributed according to the same disclaimer and license as libpng-1.2.5
- with the following individual added to the list of Contributing Authors:
-
- Cosmin Truta
-
- libpng versions 1.0.7, July 1, 2000, through 1.2.5, October 3, 2002, are
- Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
- distributed according to the same disclaimer and license as libpng-1.0.6
- with the following individuals added to the list of Contributing Authors:
-
- Simon-Pierre Cadieux
- Eric S. Raymond
- Gilles Vollant
-
- and with the following additions to the disclaimer:
-
- There is no warranty against interference with your enjoyment of the
- library or against infringement. There is no warranty that our
- efforts or the library will fulfill any of your particular purposes
- or needs. This library is provided with all faults, and the entire
- risk of satisfactory quality, performance, accuracy, and effort is with
- the user.
-
- libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
- Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson, and are
- distributed according to the same disclaimer and license as libpng-0.96,
- with the following individuals added to the list of Contributing Authors:
-
- Tom Lane
- Glenn Randers-Pehrson
- Willem van Schaik
-
- libpng versions 0.89, June 1996, through 0.96, May 1997, are
- Copyright (c) 1996, 1997 Andreas Dilger
- Distributed according to the same disclaimer and license as libpng-0.88,
- with the following individuals added to the list of Contributing Authors:
-
- John Bowler
- Kevin Bracey
- Sam Bushell
- Magnus Holmgren
- Greg Roelofs
- Tom Tanner
-
- libpng versions 0.5, May 1995, through 0.88, January 1996, are
- Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
-
- For the purposes of this copyright and license, "Contributing Authors"
- is defined as the following set of individuals:
-
- Andreas Dilger
- Dave Martindale
- Guy Eric Schalnat
- Paul Schmidt
- Tim Wegner
-
- The PNG Reference Library is supplied "AS IS". The Contributing Authors
- and Group 42, Inc. disclaim all warranties, expressed or implied,
- including, without limitation, the warranties of merchantability and of
- fitness for any purpose. The Contributing Authors and Group 42, Inc.
- assume no liability for direct, indirect, incidental, special, exemplary,
- or consequential damages, which may result from the use of the PNG
- Reference Library, even if advised of the possibility of such damage.
-
- Permission is hereby granted to use, copy, modify, and distribute this
- source code, or portions hereof, for any purpose, without fee, subject
- to the following restrictions:
-
- 1. The origin of this source code must not be misrepresented.
-
- 2. Altered versions must be plainly marked as such and
- must not be misrepresented as being the original source.
-
- 3. This Copyright notice may not be removed or altered from
- any source or altered source distribution.
-
- The Contributing Authors and Group 42, Inc. specifically permit, without
- fee, and encourage the use of this source code as a component to
- supporting the PNG file format in commercial products. If you use this
- source code in a product, acknowledgment is not required but would be
- appreciated.
-