diff --git a/INSTALL b/INSTALL
index e9c31e8..eed4dc8 100644
--- a/INSTALL
+++ b/INSTALL
@@ -79,7 +79,7 @@
 Before installing libpng, you must first install zlib, if it
 is not already on your system.  zlib can usually be found
 wherever you got libpng; otherwise go to http://zlib.net.  You can place
-zlib in in the same directory as libpng or in another directory.
+zlib in the same directory as libpng or in another directory.
 
 If your system already has a preinstalled zlib you will still need
 to have access to the zlib.h and zconf.h include files that
diff --git a/LICENSE b/LICENSE
index cd67da1..944da72 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 1.6.24beta05, July 8, 2016 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.24beta05, July 13, 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
@@ -127,4 +127,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-July 8, 2016
+July 13, 2016
diff --git a/README b/README
index ade8d42..877cf1f 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.6.24beta05 - July 8, 2016 (shared library 16.0)
+README for libpng version 1.6.24beta05 - July 13, 2016 (shared library 16.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/contrib/tools/reindent b/contrib/tools/reindent
new file mode 100644
index 0000000..1bc827f
--- /dev/null
+++ b/contrib/tools/reindent
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# reindent inputabsize outputabsize inputcontinuestring outputcontinuestring
+# eg, to change libpng coding style from 3-space indentation to 4-space
+#
+#  reindent 3 4 " " "  " < example.c.orig > example.c
+#
+# Assumes that continued lines begin with indentation plus one space, and
+# that continued comments begin with indentation plus " *".
+
+unexpand --first-only --t $inputtabsize $1 | \
+   sed -e "/^	$3[^\*]/{s/	$3/	$4/}" | \
+   expand -t $2
diff --git a/libpng-manual.txt b/libpng-manual.txt
index c55c42a..2554f80 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.24beta05 - July 8, 2016
+ libpng version 1.6.24beta05 - July 13, 2016
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.24beta05 - July 8, 2016
+ libpng versions 0.97, January 1998, through 1.6.24beta05 - July 13, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
diff --git a/libpng.3 b/libpng.3
index f37c8dc..54940ce 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "July 8, 2016"
+.TH LIBPNG 3 "July 13, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.24beta05
 .SH SYNOPSIS
@@ -510,7 +510,7 @@
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.24beta05 - July 8, 2016
+ libpng version 1.6.24beta05 - July 13, 2016
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
@@ -521,7 +521,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.24beta05 - July 8, 2016
+ libpng versions 0.97, January 1998, through 1.6.24beta05 - July 13, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
@@ -6018,7 +6018,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.6.24beta05 - July 8, 2016:
+Libpng version 1.6.24beta05 - July 13, 2016:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -6043,7 +6043,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.6.24beta05, July 8, 2016 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.24beta05, July 13, 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
@@ -6168,7 +6168,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-July 8, 2016
+July 13, 2016
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index c31a543..a1dda81 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "July 8, 2016"
+.TH LIBPNGPF 3 "July 13, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.24beta05
 (private functions)
diff --git a/png.5 b/png.5
index 287e0cd..b4fe748 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "July 8, 2016"
+.TH PNG 5 "July 13, 2016"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/projects/vstudio/README.txt b/projects/vstudio/README.txt
index ad23022..8876f9b 100644
--- a/projects/vstudio/README.txt
+++ b/projects/vstudio/README.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.6.24beta05 - July 8, 2016
+libpng version 1.6.24beta05 - July 13, 2016
 
 Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index c374a84..fb1a032 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.24beta05 - July 8, 2016
+ * libpng version 1.6.24beta05 - July 13, 2016
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 056af9a..f8a3616 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.6.24beta05 - July 8, 2016
+Makefiles for  libpng version 1.6.24beta05 - July 13, 2016
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index 137d0ac..a22225e 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -2,7 +2,7 @@
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng version 1.6.24beta05 - July 8, 2016 */
+/* Libpng version 1.6.24beta05 - July 13, 2016 */
 
 /* Copyright (c) 1998-2015 Glenn Randers-Pehrson */