diff --git a/ANNOUNCE b/ANNOUNCE
index 953f71045..32574af83 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.4.0beta74 - August 8, 2009
+Libpng 1.4.0beta75 - August 13, 2009
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -9,29 +9,29 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.4.0beta74.tar.xz (LZMA-compressed, recommended)
-   1.4.0beta74.tar.gz
-   1.4.0beta74.tar.bz2
+   1.4.0beta75.tar.xz (LZMA-compressed, recommended)
+   1.4.0beta75.tar.gz
+   1.4.0beta75.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   1.4.0beta74-no-config.tar.xz (LZMA-compressed, recommended)
-   1.4.0beta74-no-config.tar.gz
-   1.4.0beta74-no-config.tar.bz2
+   1.4.0beta75-no-config.tar.xz (LZMA-compressed, recommended)
+   1.4.0beta75-no-config.tar.gz
+   1.4.0beta75-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp140b74.zip
-   lp140b74.tar.bz2
+   lp140b75.zip
+   lp140b75.tar.bz2
 
 Other information:
 
-   1.4.0beta74-README.txt
-   1.4.0beta74-KNOWNBUGS.txt
-   1.4.0beta74-LICENSE.txt
-   1.4.0beta74-Y2K-compliance.txt
+   1.4.0beta75-README.txt
+   1.4.0beta75-KNOWNBUGS.txt
+   1.4.0beta75-LICENSE.txt
+   1.4.0beta75-Y2K-compliance.txt
 
 Changes since the last public release (1.2.10):
 
@@ -530,6 +530,8 @@ version 1.4.0beta73 [August 1, 2009]
 version 1.4.0beta74 [August 8, 2009]
   Changed png_ptr and info_ptr member "trans" to "trans_alpha".
 
+version 1.4.0beta75 [August 13, 2009]
+
 version 1.4.0betaN [future]
   Build shared libraries with -lz and sometimes -lm.
 
diff --git a/CHANGES b/CHANGES
index 42c575203..5ca673dd3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2207,6 +2207,8 @@ version 1.4.0beta73 [August 1, 2009]
 version 1.4.0beta74 [August 8, 2009]
   Changed png_ptr and info_ptr member "trans" to "trans_alpha".
 
+version 1.4.0beta75 [August 13, 2009]
+
 version 1.4.0betaN [future]
   Build shared libraries with -lz and sometimes -lm.
 
diff --git a/INSTALL b/INSTALL
index e150a0c87..e17719092 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.4.0beta74 - August 8, 2009
+Installing libpng version 1.4.0beta75 - August 13, 2009
 
 On Unix/Linux and similar systems, you can simply type
 
@@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that
 correspond to the version of zlib that's installed.
 
 You can rename the directories that you downloaded (they
-might be called "libpng-1.4.0beta74" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.4.0beta75" or "lpng109" and "zlib-1.2.1"
 or "zlib121") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -95,14 +95,14 @@ include
  CMakeLists.txt    =>  "cmake" script
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng14.so.14.1.4.0beta74)
+                       gcc, creates libpng14.so.14.1.4.0beta75)
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.0beta74)
+                       (gcc, creates libpng14.so.14.1.4.0beta75)
  makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.0beta74,
+                       (gcc, creates libpng14.so.14.1.4.0beta75,
                        uses assembler code tuned for Intel MMX platform)
  makefile.nommx    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.0beta74
+                       (gcc, creates libpng14.so.14.1.4.0beta75
                        does not use Intel MMX assembler code)
  makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
  makefile.knr      =>  Archaic UNIX Makefile that converts files with
@@ -125,12 +125,12 @@ include
  makefile.openbsd  =>  OpenBSD makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng14.so.14.1.4.0beta74)
+                       creates libpng14.so.14.1.4.0beta75)
  makefile.sunos    =>  Sun makefile
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng14.so.14.1.4.0beta74)
+                       creates libpng14.so.14.1.4.0beta75)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng14.so.14.1.4.0beta74)
+                       creates libpng14.so.14.1.4.0beta75)
  makefile.32sunu   =>  Sun Ultra 32-bit makefile
  makefile.64sunu   =>  Sun Ultra 64-bit makefile
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
diff --git a/KNOWNBUG b/KNOWNBUG
index 89b9c3d00..e8b82459a 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.4.0beta74
+Known bugs in libpng version 1.4.0beta75
 
 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
    reading interlaced PNG files, when assembler code is enabled but running
diff --git a/LICENSE b/LICENSE
index 4394639e3..695ce274f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta74, August 8, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta75, August 13, 2009, are
 Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 8, 2009
+August 13, 2009
diff --git a/Makefile.am b/Makefile.am
index 1565adcf8..8e625f566 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -86,7 +86,7 @@ EXTRA_DIST= \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.4.0beta74.txt pngvcrd.c 
+	example.c libpng-1.4.0beta75.txt pngvcrd.c 
 
 CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \
 libpng.sym
diff --git a/Makefile.in b/Makefile.in
index dd3cc9666..0242ac71f 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -351,7 +351,7 @@ EXTRA_DIST = \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.4.0beta74.txt pngvcrd.c 
+	example.c libpng-1.4.0beta75.txt pngvcrd.c 
 
 CLEANFILES = pngout.png libpng14.pc libpng14-config libpng.vers \
 libpng.sym
diff --git a/README b/README
index 585193d82..1d55c8d2d 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.4.0beta74 - August 8, 2009 (shared library 14.0)
+README for libpng version 1.4.0beta75 - August 13, 2009 (shared library 14.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -184,11 +184,11 @@ Files in this distribution:
        descrip.mms      =>  VMS makefile for MMS or MMK
        makefile.std     =>  Generic UNIX makefile (cc, creates static libpng.a)
        makefile.elf     =>  Linux/ELF makefile symbol versioning,
-                            gcc, creates libpng14.so.14.1.4.0beta74)
+                            gcc, creates libpng14.so.14.1.4.0beta75)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta74)
+                            (gcc, creates libpng14.so.14.1.4.0beta75)
        makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta74,
+                            (gcc, creates libpng14.so.14.1.4.0beta75,
                             uses assembler code tuned for Intel MMX platform)
        makefile.gcc     =>  Generic makefile (gcc, creates static libpng.a)
        makefile.knr     =>  Archaic UNIX Makefile that converts files with
@@ -210,12 +210,12 @@ Files in this distribution:
        makefile.openbsd =>  OpenBSD makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
        makefile.sggcc   =>  Silicon Graphics
-                            (gcc, creates libpng14.so.14.1.4.0beta74)
+                            (gcc, creates libpng14.so.14.1.4.0beta75)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta74)
+                            (gcc, creates libpng14.so.14.1.4.0beta75)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta74)
+                            (gcc, creates libpng14.so.14.1.4.0beta75)
        makefile.32sunu  =>  Sun Ultra 32-bit makefile
        makefile.64sunu  =>  Sun Ultra 64-bit makefile
        makefile.sco     =>  For SCO OSr5  ELF and Unixware 7 with Native cc
diff --git a/configure b/configure
index b3e53ac66..1b0ed94da 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.64 for libpng 1.4.0beta74.
+# Generated by GNU Autoconf 2.64 for libpng 1.4.0beta75.
 #
 # Report bugs to <png-mng-implement@lists.sourceforge.net>.
 #
@@ -698,8 +698,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.4.0beta74'
-PACKAGE_STRING='libpng 1.4.0beta74'
+PACKAGE_VERSION='1.4.0beta75'
+PACKAGE_STRING='libpng 1.4.0beta75'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 PACKAGE_URL=''
 
@@ -1431,7 +1431,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libpng 1.4.0beta74 to adapt to many kinds of systems.
+\`configure' configures libpng 1.4.0beta75 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1501,7 +1501,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.4.0beta74:";;
+     short | recursive ) echo "Configuration of libpng 1.4.0beta75:";;
    esac
   cat <<\_ACEOF
 
@@ -1608,7 +1608,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.4.0beta74
+libpng configure 1.4.0beta75
 generated by GNU Autoconf 2.64
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -2033,7 +2033,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libpng $as_me 1.4.0beta74, which was
+It was created by libpng $as_me 1.4.0beta75, which was
 generated by GNU Autoconf 2.64.  Invocation command line was
 
   $ $0 $@
@@ -2841,7 +2841,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.4.0beta74'
+ VERSION='1.4.0beta75'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2905,7 +2905,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.4.0beta74
+PNGLIB_VERSION=1.4.0beta75
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=4
 PNGLIB_RELEASE=0
@@ -12022,7 +12022,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libpng $as_me 1.4.0beta74, which was
+This file was extended by libpng $as_me 1.4.0beta75, which was
 generated by GNU Autoconf 2.64.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -12086,7 +12086,7 @@ Report bugs to <png-mng-implement@lists.sourceforge.net>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-libpng config.status 1.4.0beta74
+libpng config.status 1.4.0beta75
 configured by $0, generated by GNU Autoconf 2.64,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/configure.ac b/configure.ac
index 382df2ea8..bf9d4751e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.4.0beta74], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.4.0beta75], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.4.0beta74
+PNGLIB_VERSION=1.4.0beta75
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=4
 PNGLIB_RELEASE=0
diff --git a/example.c b/example.c
index 899275f46..820517a78 100644
--- a/example.c
+++ b/example.c
@@ -2,7 +2,7 @@
 #if 0 /* in case someone actually tries to compile this */
 
 /* example.c - an example of using libpng
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * This file has been placed in the public domain by the authors.
  * Maintained 1998-2009 Glenn Randers-Pehrson
  * Maintained 1996, 1997 Andreas Dilger)
diff --git a/libpng-1.4.0beta74.txt b/libpng-1.4.0beta75.txt
similarity index 99%
rename from libpng-1.4.0beta74.txt
rename to libpng-1.4.0beta75.txt
index 79a887875..497698f04 100644
--- a/libpng-1.4.0beta74.txt
+++ b/libpng-1.4.0beta75.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.0beta74 - August 8, 2009
+ libpng version 1.4.0beta75 - August 13, 2009
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.4.0beta74 - August 8, 2009
+ libpng versions 0.97, January 1998, through 1.4.0beta75 - August 13, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -865,7 +865,7 @@ things.
 As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
 added.  It expands the sample depth without changing tRNS to alpha.
 
-As of libpng version 1.4.0beta74, not all possible expansions are supported.
+As of libpng version 1.4.0beta75, not all possible expansions are supported.
 
 In the following table, the 01 means grayscale with depth<8, 31 means
 indexed with depth<8, other numerals represent the color type, "T" means
@@ -3172,13 +3172,13 @@ source.
 
 XIII. Y2K Compliance in libpng
 
-August 8, 2009
+August 13, 2009
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.4.0beta74 are Y2K compliant.  It is my belief that earlier
+upward through 1.4.0beta75 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that
diff --git a/libpng.3 b/libpng.3
index 24d54aa6e..f4f389ad5 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "August 8, 2009"
+.TH LIBPNG 3 "August 13, 2009"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta74
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta75
 .SH SYNOPSIS
 \fI\fB
 
@@ -809,7 +809,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.0beta74 - August 8, 2009
+ libpng version 1.4.0beta75 - August 13, 2009
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -820,7 +820,7 @@ libpng.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.4.0beta74 - August 8, 2009
+ libpng versions 0.97, January 1998, through 1.4.0beta75 - August 13, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -1674,7 +1674,7 @@ things.
 As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
 added.  It expands the sample depth without changing tRNS to alpha.
 
-As of libpng version 1.4.0beta74, not all possible expansions are supported.
+As of libpng version 1.4.0beta75, not all possible expansions are supported.
 
 In the following table, the 01 means grayscale with depth<8, 31 means
 indexed with depth<8, other numerals represent the color type, "T" means
@@ -3981,13 +3981,13 @@ source.
 
 .SH XIII. Y2K Compliance in libpng
 
-August 8, 2009
+August 13, 2009
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.4.0beta74 are Y2K compliant.  It is my belief that earlier
+upward through 1.4.0beta75 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that
@@ -4211,7 +4211,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.4.0beta74 - August 8, 2009:
+Libpng version 1.4.0beta75 - August 13, 2009:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -4234,7 +4234,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta74, August 8, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta75, August 13, 2009, are
 Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -4333,7 +4333,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 8, 2009
+August 13, 2009
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 0ba0d162b..1c914d4ee 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "August 8, 2009"
+.TH LIBPNGPF 3 "August 13, 2009"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta74
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta75
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
diff --git a/png.5 b/png.5
index 8522f044a..73897005f 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "August 8, 2009"
+.TH PNG 5 "August 13, 2009"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index b4c602051..4e25fb924 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -16,7 +16,7 @@
 #include "pngpriv.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_0beta74 Your_png_h_is_not_version_1_4_0beta74;
+typedef version_1_4_0beta75 Your_png_h_is_not_version_1_4_0beta75;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
@@ -652,13 +652,13 @@ png_get_copyright(png_structp png_ptr)
 #else
 #ifdef __STDC__
    return ((png_charp) PNG_STRING_NEWLINE \
-     "libpng version x 1.4.0beta74 - August 8, 2009" PNG_STRING_NEWLINE \
+     "libpng version x 1.4.0beta75 - August 13, 2009" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2009 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 ((png_charp) "libpng version 1.4.0beta74 - August 8, 2009\
+      return ((png_charp) "libpng version 1.4.0beta75 - August 13, 2009\
       Copyright (c) 1998-2009 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 441467e42..17c80cce0 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.4.0beta74 - August 8, 2009
+ * libpng version 1.4.0beta75 - August 13, 2009
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -11,7 +11,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.4.0beta74 - August 8, 2009: Glenn
+ *  libpng versions 0.97, January 1998, through 1.4.0beta75 - August 13, 2009: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -161,7 +161,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta74, August 8, 2009, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta75, August 13, 2009, are
  * Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
  * distributed according to the same disclaimer and license as libpng-1.2.5
  * with the following individual added to the list of Contributing Authors:
@@ -279,7 +279,7 @@
  *    an official declaration.
  *
  *    This is your unofficial assurance that libpng from version 0.71 and
- *    upward through 1.4.0beta74 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.4.0beta75 are Y2K compliant.  It is my belief that earlier
  *    versions were also Y2K compliant.
  *
  *    Libpng only has three year fields.  One is a 2-byte unsigned integer
@@ -335,9 +335,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.4.0beta74"
+#define PNG_LIBPNG_VER_STRING "1.4.0beta75"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.4.0beta74 - August 8, 2009\n"
+   " libpng version 1.4.0beta75 - August 13, 2009\n"
 
 #define PNG_LIBPNG_VER_SONUM   14
 #define PNG_LIBPNG_VER_DLLNUM  14
@@ -350,7 +350,7 @@
  * PNG_LIBPNG_VER_STRING, omitting any leading zero:
  */
 
-#define PNG_LIBPNG_VER_BUILD  74
+#define PNG_LIBPNG_VER_BUILD  75
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -1361,7 +1361,7 @@ struct png_struct_def
 /* This triggers a compiler error in png.c, if png.c and png.h
  * do not agree upon the version number.
  */
-typedef png_structp version_1_4_0beta74;
+typedef png_structp version_1_4_0beta75;
 
 typedef png_struct FAR * FAR * png_structpp;
 
diff --git a/pngconf.h b/pngconf.h
index 508278207..de7ba4d5f 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.4.0beta74 - August 8, 2009
+ * libpng version 1.4.0beta75 - August 13, 2009
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngerror.c b/pngerror.c
index 7ae719f0e..ad258c833 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngget.c b/pngget.c
index 41a56ab98..c31286852 100644
--- a/pngget.c
+++ b/pngget.c
@@ -1,7 +1,7 @@
 
 /* pngget.c - retrieval of values from info struct
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngmem.c b/pngmem.c
index 2c389723d..9c5532481 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngpread.c b/pngpread.c
index 250071eb0..b1f29f330 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngpriv.h b/pngpriv.h
index 40fb675c3..1fb918e15 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1,7 +1,7 @@
 
 /* pngpriv.h - private declarations for use inside libpng
  *
- * libpng version 1.4.0beta74 - August 8, 2009
+ * libpng version 1.4.0beta75 - August 13, 2009
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngread.c b/pngread.c
index 93dacc82c..de1b60dbc 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngrio.c b/pngrio.c
index 0ab81a58f..135eeeb68 100644
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@
 
 /* pngrio.c - functions for data input
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngrtran.c b/pngrtran.c
index 7fd083da5..9e8a0aaf1 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngrutil.c b/pngrutil.c
index 5df931fff..249f6715f 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngset.c b/pngset.c
index ec31c44a6..67c2b3e26 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngtest.c b/pngtest.c
index 53a683e2d..9090ca71b 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1,7 +1,7 @@
 
 /* pngtest.c - a simple test program to test libpng
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -1619,4 +1619,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_0beta74 your_png_h_is_not_version_1_4_0beta74;
+typedef version_1_4_0beta75 your_png_h_is_not_version_1_4_0beta75;
diff --git a/pngtrans.c b/pngtrans.c
index 182b4779a..2acfe6cc2 100644
--- a/pngtrans.c
+++ b/pngtrans.c
@@ -1,7 +1,7 @@
 
 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngwio.c b/pngwio.c
index e7d396b41..0c87ed745 100644
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@
 
 /* pngwio.c - functions for data output
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngwrite.c b/pngwrite.c
index 9e03c9881..9e8ac9909 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngwtran.c b/pngwtran.c
index fbcdbe721..101c50159 100644
--- a/pngwtran.c
+++ b/pngwtran.c
@@ -1,7 +1,7 @@
 
 /* pngwtran.c - transforms the data in a row for PNG writers
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/pngwutil.c b/pngwutil.c
index 9c92e33b8..4a82fcf8e 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * Last changed in libpng 1.4.0 [August 8, 2009]
+ * Last changed in libpng 1.4.0 [August 13, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -424,6 +424,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
    png_byte buf[13]; /* Buffer to store the IHDR info */
 
    png_debug(1, "in png_write_IHDR");
+
    /* Check that we have valid input data from the application info */
    switch (color_type)
    {
@@ -601,6 +602,7 @@ png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal)
    png_byte buf[3];
 
    png_debug(1, "in png_write_PLTE");
+
    if ((
 #if defined(PNG_MNG_FEATURES_SUPPORTED)
         !(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) &&
@@ -660,6 +662,7 @@ png_write_IDAT(png_structp png_ptr, png_bytep data, png_size_t length)
 #ifdef PNG_USE_LOCAL_ARRAYS
    PNG_IDAT;
 #endif
+
    png_debug(1, "in png_write_IDAT");
 
    /* Optimize the CMF field in the zlib stream. */
@@ -714,7 +717,9 @@ png_write_IEND(png_structp png_ptr)
 #ifdef PNG_USE_LOCAL_ARRAYS
    PNG_IEND;
 #endif
+
    png_debug(1, "in png_write_IEND");
+
    png_write_chunk(png_ptr, (png_bytep)png_IEND, NULL,
      (png_size_t)0);
    png_ptr->mode |= PNG_HAVE_IEND;
@@ -733,6 +738,7 @@ png_write_gAMA(png_structp png_ptr, double file_gamma)
    png_byte buf[4];
 
    png_debug(1, "in png_write_gAMA");
+
    /* file_gamma is saved in 1/100,000ths */
    igamma = (png_uint_32)(file_gamma * 100000.0 + 0.5);
    png_save_uint_32(buf, igamma);
@@ -749,6 +755,7 @@ png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma)
    png_byte buf[4];
 
    png_debug(1, "in png_write_gAMA");
+
    /* file_gamma is saved in 1/100,000ths */
    png_save_uint_32(buf, (png_uint_32)file_gamma);
    png_write_chunk(png_ptr, (png_bytep)png_gAMA, buf, (png_size_t)4);
@@ -767,6 +774,7 @@ png_write_sRGB(png_structp png_ptr, int srgb_intent)
    png_byte buf[1];
 
    png_debug(1, "in png_write_sRGB");
+
    if (srgb_intent >= PNG_sRGB_INTENT_LAST)
          png_warning(png_ptr,
             "Invalid sRGB rendering intent specified");
@@ -875,6 +883,7 @@ png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette)
 #endif
 
    png_debug(1, "in png_write_sPLT");
+
    if ((name_len = png_check_keyword(png_ptr,spalette->name, &new_name))==0)
       return;
 
@@ -948,6 +957,7 @@ png_write_sBIT(png_structp png_ptr, png_color_8p sbit, int color_type)
    png_size_t size;
 
    png_debug(1, "in png_write_sBIT");
+
    /* Make sure we don't depend upon the order of PNG_COLOR_8 */
    if (color_type & PNG_COLOR_MASK_COLOR)
    {
@@ -1055,6 +1065,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
    png_byte buf[32];
 
    png_debug(1, "in png_write_cHRM");
+
    /* Each value is saved in 1/100,000ths */
 #if !defined(PNG_NO_CHECK_cHRM)
    if (png_check_cHRM_fixed(png_ptr, white_x, white_y, red_x, red_y,
@@ -1091,6 +1102,7 @@ png_write_tRNS(png_structp png_ptr, png_bytep trans_alpha, png_color_16p tran,
    png_byte buf[6];
 
    png_debug(1, "in png_write_tRNS");
+
    if (color_type == PNG_COLOR_TYPE_PALETTE)
    {
       if (num_trans <= 0 || num_trans > (int)png_ptr->num_palette)
@@ -1130,7 +1142,7 @@ png_write_tRNS(png_structp png_ptr, png_bytep trans_alpha, png_color_16p tran,
    }
    else
    {
-      png_warning(png_ptr, "Can't write tRNS in a PNG with an alpha channel");
+      png_warning(png_ptr, "Can't write tRNS with an alpha channel");
    }
 }
 #endif
@@ -1146,6 +1158,7 @@ png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type)
    png_byte buf[6];
 
    png_debug(1, "in png_write_bKGD");
+
    if (color_type == PNG_COLOR_TYPE_PALETTE)
    {
       if (
@@ -1200,6 +1213,7 @@ png_write_hIST(png_structp png_ptr, png_uint_16p hist, int num_hist)
    png_byte buf[3];
 
    png_debug(1, "in png_write_hIST");
+
    if (num_hist > (int)png_ptr->num_palette)
    {
       png_debug2(3, "num_hist = %d, num_palette = %d", num_hist,
@@ -1240,6 +1254,7 @@ png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key)
    int kwarn=0;
 
    png_debug(1, "in png_check_keyword");
+
    *new_key = NULL;
 
    if (key == NULL || (key_len = png_strlen(key)) == 0)
@@ -1362,6 +1377,7 @@ png_write_tEXt(png_structp png_ptr, png_charp key, png_charp text,
    png_charp new_key;
 
    png_debug(1, "in png_write_tEXt");
+
    if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0)
       return;
 
@@ -1550,6 +1566,7 @@ png_write_oFFs(png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset,
    png_byte buf[9];
 
    png_debug(1, "in png_write_oFFs");
+
    if (unit_type >= PNG_OFFSET_LAST)
       png_warning(png_ptr, "Unrecognized unit type for oFFs chunk");
 
@@ -1576,6 +1593,7 @@ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0,
    int i;
 
    png_debug1(1, "in png_write_pCAL (%d parameters)", nparams);
+
    if (type >= PNG_EQUATION_LAST)
       png_warning(png_ptr, "Unrecognized equation type for pCAL chunk");
 
@@ -1692,6 +1710,7 @@ png_write_pHYs(png_structp png_ptr, png_uint_32 x_pixels_per_unit,
    png_byte buf[9];
 
    png_debug(1, "in png_write_pHYs");
+
    if (unit_type >= PNG_RESOLUTION_LAST)
       png_warning(png_ptr, "Unrecognized unit type for pHYs chunk");
 
@@ -1716,6 +1735,7 @@ png_write_tIME(png_structp png_ptr, png_timep mod_time)
    png_byte buf[7];
 
    png_debug(1, "in png_write_tIME");
+
    if (mod_time->month  > 12 || mod_time->month  < 1 ||
        mod_time->day    > 31 || mod_time->day    < 1 ||
        mod_time->hour   > 23 || mod_time->second > 60)
@@ -1760,6 +1780,7 @@ png_write_start_row(png_structp png_ptr)
    png_size_t buf_size;
 
    png_debug(1, "in png_write_start_row");
+
    buf_size = (png_size_t)(PNG_ROWBYTES(
       png_ptr->usr_channels*png_ptr->usr_bit_depth, png_ptr->width) + 1);
 
@@ -1865,6 +1886,7 @@ png_write_finish_row(png_structp png_ptr)
    int ret;
 
    png_debug(1, "in png_write_finish_row");
+
    /* Next row */
    png_ptr->row_number++;
 
@@ -1974,6 +1996,7 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass)
 #endif
 
    png_debug(1, "in png_do_write_interlace");
+
    /* We don't have to do anything on the last pass (6) */
    if (pass < 6)
    {
@@ -2151,6 +2174,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info)
 #endif 
 
    png_debug(1, "in png_write_find_filter");
+
    /* Find out how many bytes offset each pixel is */
    bpp = (row_info->pixel_depth + 7) >> 3;
 
@@ -2760,6 +2784,7 @@ void /* PRIVATE */
 png_write_filtered_row(png_structp png_ptr, png_bytep filtered_row)
 {
    png_debug(1, "in png_write_filtered_row");
+
    png_debug1(2, "filter = %d", filtered_row[0]);
    /* Set up the zlib input buffer */
 
diff --git a/projects/xcode/libpng.xcodeproj/project.pbxproj b/projects/xcode/libpng.xcodeproj/project.pbxproj
index a2d60ad27..28f9c6f46 100644
--- a/projects/xcode/libpng.xcodeproj/project.pbxproj
+++ b/projects/xcode/libpng.xcodeproj/project.pbxproj
@@ -222,7 +222,7 @@
 				COPY_PHASE_STRIP = NO;
 				DYLIB_COMPATIBILITY_VERSION = 14;
 				DYLIB_CURRENT_VERSION = 14;
-				FRAMEWORK_VERSION = 1.4.0beta74;
+				FRAMEWORK_VERSION = 1.4.0beta75;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_FIX_AND_CONTINUE = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -248,7 +248,7 @@
 				);
 				DYLIB_COMPATIBILITY_VERSION = 14;
 				DYLIB_CURRENT_VERSION = 14;
-				FRAMEWORK_VERSION = 1.4.0beta74;
+				FRAMEWORK_VERSION = 1.4.0beta75;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 3ac7ad03a..c1e55df13 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -170,7 +170,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 
 # SET UP LINKS
 set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#    VERSION 14.${PNGLIB_RELEASE}.1.4.0beta74
+#    VERSION 14.${PNGLIB_RELEASE}.1.4.0beta75
      VERSION 14.${PNGLIB_RELEASE}.0
      SOVERSION 14
      CLEAN_DIRECT_OUTPUT 1)
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 2d9559e03..cb1b38e32 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -11,7 +11,7 @@
 
 # Modeled after libxml-config.
 
-version=1.4.0beta74
+version=1.4.0beta75
 prefix=""
 libdir=""
 libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 796b32d3e..92c280f87 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.4.0beta74
+Version: 1.4.0beta75
 Libs: -L${libdir} -lpng14
 Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index d19f3057b..e349cde53 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index f1357de97..8dcfcbcdb 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 80f9c9fb9..a8af1b385 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -23,7 +23,7 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index 2d022f275..0f4d501c0 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index e2c7df0ac..deae077be 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -68,7 +68,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng14
 PNGMAJ = 14
 CYGDLL = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 05dcd82ea..683eff992 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -22,7 +22,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 887e3c569..f2931d22f 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng14
 
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index 858a041b0..eb54c68fc 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index b3158413f..657efb253 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 10ad4be46..addbdac0e 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index 6ff0349e1..3914230ff 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index cfeae9734..833375277 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index e51f5bd01..73508761a 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -68,7 +68,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng14
 PNGMAJ = 14
 MINGDLL = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 329c807e1..62c10cd4f 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
 
 LIB=	png14
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.4.0beta74
+SHLIB_MINOR=	1.4.0beta75
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 	pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd
index c552c17a4..e614a40a1 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.4.0beta74
+SHLIB_MINOR=	1.4.0beta75
 SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 	pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.nommx b/scripts/makefile.nommx
index a890ae868..af18daa01 100644
--- a/scripts/makefile.nommx
+++ b/scripts/makefile.nommx
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 9a8b6fff2..151630726 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -11,7 +11,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.4.0beta74
+SHLIB_MINOR=	1.4.0beta75
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 06e8066ce..a2a92225d 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index c57652b60..037cf1d77 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 96227227d..b803307e9 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index c5974cc04..9da30ed45 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -11,7 +11,7 @@
 
 # Library name:
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng14
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 917e79ac9..8b1d8736e 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta74
+PNGMIN = 1.4.0beta75
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index ba02c5a0c..1d98b1f05 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.4.0beta74
+; Version 1.4.0beta75
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
diff --git a/scripts/pngwin.def b/scripts/pngwin.def
index 4ee624955..e89a8b4b4 100644
--- a/scripts/pngwin.def
+++ b/scripts/pngwin.def
@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.4.0beta74
+;Version 1.4.0beta75
   png_build_grayscale_palette
   png_chunk_error
   png_chunk_warning