ZyXEL Communications ZYWALL USG 20 Manual page 878

Appendix E Open Software Announcements
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.
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ZyWALL USG 20/20W User's Guide