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ABBYY® FineReader PDF Users Guide
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner
Some files in the "scripts" directory have other copyright owners, but are released under this license.
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.
libtiff (for Pdfium)
Copyright (c) 1988-1997 Sam Leffler