If you modify libpng you may insert additional notices
immediately following
this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000, through 1.2.54,
November 12, 2015, are
Copyright (c) 2000-2002, 2004, 2006-2015 Glenn
Randers-Pehrson, are
derived from libpng-1.0.6, 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
Cosmin Truta
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) 1998-2000 Glenn Randers-Pehrson, are
derived from
libpng-0.96, 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, are derived
from libpng-0.88,
and are 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,
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