[libpng15] Imported from libpng-1.5.29beta02.tar
diff --git a/LICENSE b/LICENSE
index 14e590f..afc6493 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.5.29beta02, April 1, 2017 are
+libpng versions 1.0.7, July 1, 2000 through 1.5.29beta02, August 7, 2017 are
 Copyright (c) 2000-2002, 2004, 2006-2017 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
@@ -126,4 +126,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-April 1, 2017
+August 7, 2017
diff --git a/README b/README
index ec9bbb4..f90afad 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.5.29beta02 - April 1, 2017 (shared library 15.0)
+README for libpng version 1.5.29beta02 - August 7, 2017 (shared library 15.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -88,11 +88,11 @@
 
 You may also want a copy of the PNG specification.  It is available
 as an RFC, a W3C Recommendation, and an ISO/IEC Standard.  You can find
-these at http://www.libpng.org/pub/png/documents/
+these at http://www.libpng.org/pub/png/pngdocs.html .
 
 This code is currently being archived at libpng.sourceforge.io in the
-[DOWNLOAD] area, and at ftp://ftp.simplesystems.org.  If you can't find it
-in any of those places, e-mail me, and I'll help you find it.
+[DOWNLOAD] area, and at ftp://ftp-osl.osuosl.org/pub/libpng/src .  If you
+can't find it in any of those places, e-mail me, and I'll help you find it.
 
 I am not a lawyer, but I believe that the Export Control Classification
 Number (ECCN) for libpng is EAR99, which means not subject to export
diff --git a/contrib/gregbook/README b/contrib/gregbook/README
index 4d7be42..90e28f7 100644
--- a/contrib/gregbook/README
+++ b/contrib/gregbook/README
@@ -63,7 +63,7 @@
 
  - Prerequisites (in order of compilation):
 
-      - zlib            http://zlib.net/
+      - zlib            https://zlib.net/
       - libpng          http://www.libpng.org/pub/png/libpng.html
       - pngbook         http://www.libpng.org/pub/png/book/sources.html
 
diff --git a/libpngpf.3 b/libpngpf.3
index 3bb0689..1ce5e45 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "April 1, 2017"
+.TH LIBPNGPF 3 "August 7, 2017"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.5.29beta02
 (private functions)
diff --git a/png.5 b/png.5
index b0cbd2c..d27fc2c 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "April 1, 2017"
+.TH PNG 5 "August 7, 2017"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 8d35790..a99ee9b 100644
--- a/png.c
+++ b/png.c
@@ -656,14 +656,14 @@
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-     "libpng version 1.5.29beta02 - April 1, 2017" PNG_STRING_NEWLINE \
+     "libpng version 1.5.29beta02 - August 7, 2017" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \
      PNG_STRING_NEWLINE \
      "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
      "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
      PNG_STRING_NEWLINE;
 #  else
-      return "libpng version 1.5.29beta02 - April 1, 2017\
+      return "libpng version 1.5.29beta02 - August 7, 2017\
       Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
diff --git a/png.h b/png.h
index 0f88bd7..7d421f6 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.5.29beta02, April 1, 2017
+ * libpng version 1.5.29beta02, August 7, 2017
  *
  * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -12,7 +12,7 @@
  * Authors and maintainers:
  *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *   libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
- *   libpng versions 0.97, January 1998, through 1.5.29beta02, April 1, 2017:
+ *   libpng versions 0.97, January 1998, through 1.5.29beta02, August 7, 2017:
  *     Glenn Randers-Pehrson.
  *   See also "Contributing Authors", below.
  */
@@ -25,7 +25,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.0.7, July 1, 2000 through 1.5.29beta02, April 1, 2017 are
+ * libpng versions 1.0.7, July 1, 2000 through 1.5.29beta02, August 7, 2017 are
  * Copyright (c) 2000-2002, 2004, 2006-2017 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
@@ -235,7 +235,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    April 1, 2017
+ *    August 7, 2017
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -304,7 +304,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.5.29beta02"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.5.29beta02 - April 1, 2017\n"
+     " libpng version 1.5.29beta02 - August 7, 2017\n"
 
 #define PNG_LIBPNG_VER_SONUM   15
 #define PNG_LIBPNG_VER_DLLNUM  15
diff --git a/pngconf.h b/pngconf.h
index 6773315..e06b0be 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.5.29beta02, April 1, 2017
+ * libpng version 1.5.29beta02, August 7, 2017
  *
  * Copyright (c) 1998-2002,2004,2006-2013 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/projects/vstudio/README.txt b/projects/vstudio/README.txt
index e80ed45..8440924 100644
--- a/projects/vstudio/README.txt
+++ b/projects/vstudio/README.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.5.29beta02 - April 1, 2017
+libpng version 1.5.29beta02 - August 7, 2017
 
 Copyright (c) 2010,2013,2016 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 7d58a7b..1bbaec7 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.5.29beta02 - April 1, 2017
+ * libpng version 1.5.29beta02 - August 7, 2017
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 187b7e8..4ed7c4c 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.5.29beta02 - April 1, 2017
+Makefiles for  libpng version 1.5.29beta02 - August 7, 2017
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index b303a95..1ddcc91 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -1,7 +1,7 @@
 /* 1.5.29beta02 STANDARD API DEFINITION */
 /* pnglibconf.h - library build configuration */
 
-/* libpng version 1.5.29beta02 - April 1, 2017 */
+/* libpng version 1.5.29beta02 - August 7, 2017 */
 
 /* Copyright (c) 2011-2015 Glenn Randers-Pehrson */