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Update to libpng 1.6.24 #807

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Aug 6, 2016
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Update to libpng 1.6.24 #807

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32 changes: 25 additions & 7 deletions thirdparty/libpng/LICENSE
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ this sentence.

This code is released under the libpng license.

libpng versions 1.0.7, July 1, 2000, through 1.6.21, January 15, 2016, are
libpng versions 1.0.7, July 1, 2000 through 1.6.24, August 4, 2016 are
Copyright (c) 2000-2002, 2004, 2006-2016 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
Expand All @@ -32,6 +32,10 @@ and with the following additions to the disclaimer:
risk of satisfactory quality, performance, accuracy, and effort is with
the user.

Some files in the "contrib" directory and some configure-generated
files that are distributed with libpng have other copyright owners and
are released under other open source licenses.

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
Expand All @@ -55,6 +59,9 @@ Contributing Authors:
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.

Expand Down Expand Up @@ -95,18 +102,29 @@ appreciated.

END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE.

A "png_get_copyright" function is available, for convenient use in "about"
boxes and the like:
TRADEMARK:

printf("%s", png_get_copyright(NULL));
The name "libpng" has not been registered by the Copyright owner
as a trademark in any jurisdiction. However, because libpng has
been distributed and maintained world-wide, continually since 1995,
the Copyright owner claims "common-law trademark protection" in any
jurisdiction where common-law trademark is recognized.

Also, the PNG logo (in PNG format, of course) is supplied in the
files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
OSI CERTIFICATION:

Libpng is OSI Certified Open Source Software. OSI Certified Open Source is
a certification mark of the Open Source Initiative. OSI has not addressed
the additional disclaimers inserted at version 1.0.7.

EXPORT CONTROL:

The Copyright owner believes that the Export Control Classification
Number (ECCN) for libpng is EAR99, which means not subject to export
controls or International Traffic in Arms Regulations (ITAR) because
it is open source, publicly available software, that does not contain
any encryption software. See the EAR, paragraphs 734.3(b)(3) and
734.7(b).

Glenn Randers-Pehrson
glennrp at users.sourceforge.net
January 15, 2016
August 4, 2016
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