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ABBYY® FineReader PDF Users Guide
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
libpng (for Pdfium)
COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
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PNG Reference Library License version 2
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* Copyright (c) 1995-2019 The PNG Reference Library Authors.
* Copyright (c) 2018-2019 Cosmin Truta.
* Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
* Copyright (c) 1996-1997 Andreas Dilger.
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
The software is supplied "as is", without warranty of any kind, express or implied, including, without
limitation, the warranties of merchantability, fitness for a particular purpose, title, and non-
infringement. In no event shall the Copyright owners, or anyone distributing the software, be liable for
any damages or other liability, whether in contract, tort or otherwise, arising from, out of, or in
connection with the software, or the use or other dealings in the software, even if advised of the
possibility of such damage.
Permission is hereby granted to use, copy, modify, and distribute this software, or portions hereof, for
any purpose, without fee, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the
original software.If youuse this software in a product, an acknowledgment in the product
documentation would be appreciated, but is not required.
2. Altered source versions must be plainly marked as such, and mustnot be misrepresented as being
the original software.
3. This Copyright notice may not be removed or altered from anysource or altered source
distribution.