72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
COPYRIGHT NOTICE:
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Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
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(libpng versions 0.5, May 1995, through 0.89c, May 1996)
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Copyright (c) 1996, 1997 Andreas Dilger
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(libpng versions 0.90, December 1996, through 0.96, May 1997)
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Copyright (c) 1998, 1999 Glenn Randers-Pehrson
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(libpng versions 0.97, January 1998, through 1.0.5h, December 10, 1999)
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For the purposes of this copyright and license, "Contributing Authors"
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is defined as the following set of individuals:
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John Bowler
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Kevin Bracey
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Sam Bushell
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Andreas Dilger
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Magnus Holmgren
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Tom Lane
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Dave Martindale
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Glenn Randers-Pehrson
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Eric S. Raymond
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Greg Roelofs
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Guy Eric Schalnat
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Paul Schmidt
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Tom Tanner
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Willem van Schaik
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Tim Wegner
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The PNG Reference Library is supplied "AS IS". The Contributing Authors
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and Group 42, Inc. disclaim all warranties, expressed or implied,
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including, without limitation, the warranties of merchantability and of
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fitness for any purpose. The Contributing Authors and Group 42, Inc.
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assume no liability for direct, indirect, incidental, special, exemplary,
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or consequential damages, which may result from the use of the PNG
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Reference Library, even if advised of the possibility of such damage.
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Permission is hereby granted to use, copy, modify, and distribute this
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source code, or portions hereof, for any purpose, without fee, subject
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to the following restrictions:
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1. The origin of this source code must not be
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misrepresented.
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2. Altered versions must be plainly marked as such
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and must not be misrepresented as being the
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original source.
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3. This Copyright notice may not be removed or
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altered from any source or altered source
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distribution.
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The Contributing Authors and Group 42, Inc. specifically permit, without
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fee, and encourage the use of this source code as a component to
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supporting the PNG file format in commercial products. If you use this
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source code in a product, acknowledgment is not required but would be
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appreciated.
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A "png_get_copyright" function is available, for convenient use in "about"
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boxes and the like:
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printf("%s",png_get_copyright(NULL));
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Also, the PNG logo (in PNG format, of course) is supplied in the
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file "pngnow.png".
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Libpng is OSI Certified Open Source Software. OSI Certified is a
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certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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randeg@alum.rpi.edu
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December 10, 1999
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