diff --git a/ANNOUNCE b/ANNOUNCE
index 77d69c159fc868e366ea1f13c5213058dff3a52b..0c58bfe7c3d20db00bd1d7cd88757aea52f8cb72 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.4.0beta91 - November 3, 2009
+Libpng 1.4.0beta92 - November 3, 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.
@@ -9,20 +9,20 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.4.0beta91.tar.xz (LZMA-compressed, recommended)
-   1.4.0beta91.tar.gz
-   1.4.0beta91.tar.bz2
+   1.4.0beta92.tar.xz (LZMA-compressed, recommended)
+   1.4.0beta92.tar.gz
+   1.4.0beta92.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp140b91.zip
-   lp140b91.7z
+   lp140b92.zip
+   lp140b92.7z
 
 Other information:
 
-   1.4.0beta91-README.txt
-   1.4.0beta91-LICENSE.txt
+   1.4.0beta92-README.txt
+   1.4.0beta92-LICENSE.txt
 
 Changes since the last public release (1.2.10):
 
@@ -605,6 +605,8 @@ version 1.4.0beta91 [November 3, 2009]
   Patched ltmain.sh for wince support.
   Added PNG_CONVERT_tIME_SUPPORTED macro.
 
+version 1.4.0beta92 [November 3, 2009]
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/CHANGES b/CHANGES
index 5960b3f866f09ed20a5c5b3ec3720e702640048b..77b6d18bc6d90a9b8c0ef2879623e1fdd54127e2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2291,6 +2291,8 @@ version 1.4.0beta91 [November 3, 2009]
   Patched ltmain.sh for wince support.
   Added PNG_CONVERT_tIME_SUPPORTED macro.
 
+version 1.4.0beta92 [November 3, 2009]
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91a2933060032d97378fc0610472223bcf14df7e..2bc63736f4c7e6970f8b6927f9163bf1f023fbc7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -200,7 +200,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 # SET UP LINKS
 if(PNG_SHARED)
   set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#    VERSION 14.${PNGLIB_RELEASE}.1.4.0beta91
+#    VERSION 14.${PNGLIB_RELEASE}.1.4.0beta92
      VERSION 14.${PNGLIB_RELEASE}.0
      SOVERSION 14
      CLEAN_DIRECT_OUTPUT 1)
diff --git a/INSTALL b/INSTALL
index 288ed9f3892d58984239c5d786369a590aa3f339..d432e543fd85bd9bc1aedad218a81df19cbda646 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.4.0beta91 - November 3, 2009
+Installing libpng version 1.4.0beta92 - November 3, 2009
 
 On Unix/Linux and similar systems, you can simply type
 
@@ -43,7 +43,7 @@ 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-1.4.0beta91" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.4.0beta92" 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:
@@ -94,14 +94,14 @@ 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.14.1.4.0beta91)
+                       gcc, creates libpng14.so.14.1.4.0beta92)
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.0beta91)
+                       (gcc, creates libpng14.so.14.1.4.0beta92)
  makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.0beta91,
+                       (gcc, creates libpng14.so.14.1.4.0beta92,
                        uses assembler code tuned for Intel MMX platform)
  makefile.nommx    =>  Linux/ELF makefile
-                       (gcc, creates libpng14.so.14.1.4.0beta91
+                       (gcc, creates libpng14.so.14.1.4.0beta92
                        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
@@ -123,12 +123,12 @@ include
  makefile.openbsd  =>  OpenBSD makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng14.so.14.1.4.0beta91)
+                       creates libpng14.so.14.1.4.0beta92)
  makefile.sunos    =>  Sun makefile
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng14.so.14.1.4.0beta91)
+                       creates libpng14.so.14.1.4.0beta92)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng14.so.14.1.4.0beta91)
+                       creates libpng14.so.14.1.4.0beta92)
  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/LICENSE b/LICENSE
index 406e912a99e2bc1eb1702d5afe0c69af8c9afe2b..88664b45073af609bc6061964fdb00983df62984 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 1.4.0beta91, November 3, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta92, November 3, 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
diff --git a/Makefile.am b/Makefile.am
index d386c9c611bb3229bc3bbff9598aee9a42da4ec7..483158cc6aded5b2cc375a441ffd4cc47306f5c7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -86,7 +86,7 @@ EXTRA_DIST= \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.4.0beta91.txt pngvcrd.c 
+	example.c libpng-1.4.0beta92.txt pngvcrd.c 
 
 CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \
 libpng.sym
diff --git a/Makefile.in b/Makefile.in
index 418e114442a8fa6bd8fce12d504c01585a5c4f13..28121ff32c2d1c4ef294e11a537363b68d00ef5a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -351,7 +351,7 @@ EXTRA_DIST = \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.4.0beta91.txt pngvcrd.c 
+	example.c libpng-1.4.0beta92.txt pngvcrd.c 
 
 CLEANFILES = pngout.png libpng14.pc libpng14-config libpng.vers \
 libpng.sym
diff --git a/README b/README
index d2241d836652975d897034747692f476bc607edf..4f3ed89d19ede1f7198e045b03c9e4c3aad88150 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.4.0beta91 - November 3, 2009 (shared library 14.0)
+README for libpng version 1.4.0beta92 - November 3, 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.14.1.4.0beta91)
+                            gcc, creates libpng14.so.14.1.4.0beta92)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta91)
+                            (gcc, creates libpng14.so.14.1.4.0beta92)
        makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta91,
+                            (gcc, creates libpng14.so.14.1.4.0beta92,
                             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
@@ -209,12 +209,12 @@ 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.14.1.4.0beta91)
+                            (gcc, creates libpng14.so.14.1.4.0beta92)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta91)
+                            (gcc, creates libpng14.so.14.1.4.0beta92)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng14.so.14.1.4.0beta91)
+                            (gcc, creates libpng14.so.14.1.4.0beta92)
        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 83d03fc916da5ab887e63f103d0ea0d1c46d9868..18a1244ae0577cfb6e50b7652ef1b53990aa5a64 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 1.4.0beta91.
+# Generated by GNU Autoconf 2.64 for libpng 1.4.0beta92.
 #
 # 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='1.4.0beta91'
-PACKAGE_STRING='libpng 1.4.0beta91'
+PACKAGE_VERSION='1.4.0beta92'
+PACKAGE_STRING='libpng 1.4.0beta92'
 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 1.4.0beta91 to adapt to many kinds of systems.
+\`configure' configures libpng 1.4.0beta92 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 1.4.0beta91:";;
+     short | recursive ) echo "Configuration of libpng 1.4.0beta92:";;
    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 1.4.0beta91
+libpng configure 1.4.0beta92
 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 1.4.0beta91, which was
+It was created by libpng $as_me 1.4.0beta92, 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='1.4.0beta91'
+ VERSION='1.4.0beta92'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2905,7 +2905,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.4.0beta91
+PNGLIB_VERSION=1.4.0beta92
 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 1.4.0beta91, which was
+This file was extended by libpng $as_me 1.4.0beta92, 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 1.4.0beta91
+libpng config.status 1.4.0beta92
 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 e488b2da779880a61ea87f119707a16d58f4d6b8..2000645b9edc90424c88220825f91518278c9216 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.4.0beta91], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.4.0beta92], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.4.0beta91
+PNGLIB_VERSION=1.4.0beta92
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=4
 PNGLIB_RELEASE=0
diff --git a/libpng-1.4.0beta91.txt b/libpng-1.4.0beta92.txt
similarity index 99%
rename from libpng-1.4.0beta91.txt
rename to libpng-1.4.0beta92.txt
index ecf374eafb7f4fbbff2924116b8c27ee2594024e..9129372d1e7ba9bf08c85672297bc32ae5d29e21 100644
--- a/libpng-1.4.0beta91.txt
+++ b/libpng-1.4.0beta92.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.0beta91 - November 3, 2009
+ libpng version 1.4.0beta92 - November 3, 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 1.4.0beta91 - November 3, 2009
+ libpng versions 0.97, January 1998, through 1.4.0beta92 - November 3, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -878,7 +878,7 @@ 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 1.4.0beta91, not all possible expansions are supported.
+As of libpng version 1.4.0beta92, 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
@@ -3232,7 +3232,7 @@ 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 1.4.0beta91 are Y2K compliant.  It is my belief that earlier
+upward through 1.4.0beta92 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 989a365f5440e42c7599484c729b0d45299fde54..cc1cf30a435f704621c0bc7c1057b9eb3ba0b1b3 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
 .TH LIBPNG 3 "November 3, 2009"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta91
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta92
 .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 1.4.0beta91 - November 3, 2009
+ libpng version 1.4.0beta92 - November 3, 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 1.4.0beta91 - November 3, 2009
+ libpng versions 0.97, January 1998, through 1.4.0beta92 - November 3, 2009
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -1687,7 +1687,7 @@ 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 1.4.0beta91, not all possible expansions are supported.
+As of libpng version 1.4.0beta92, 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
@@ -4041,7 +4041,7 @@ 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 1.4.0beta91 are Y2K compliant.  It is my belief that earlier
+upward through 1.4.0beta92 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 @@ the first widely used release:
  1.4.0beta15-36      14    10400  14.so.0.0[.0]
  1.4.0beta37-87      14    10400  14.so.14.0[.0]
  1.4.0rc01           14    10400  14.so.14.0[.0]
- 1.4.0beta88-90      14    10400  14.so.14.0[.0]
+ 1.4.0beta88-92      14    10400  14.so.14.0[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -4267,7 +4267,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.4.0beta91 - November 3, 2009:
+Libpng version 1.4.0beta92 - November 3, 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).
 
@@ -4290,7 +4290,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta91, November 3, 2009, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta92, November 3, 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
diff --git a/libpngpf.3 b/libpngpf.3
index a1070ab8c536d8a5e3732fb07041b695ebdfb908..a3e56b309eeed4f4dee4b4052c887aca43ebda36 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
 .TH LIBPNGPF 3 "November 3, 2009"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta91
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta92
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
diff --git a/png.c b/png.c
index 148bfd7d075fde7b88b957b142069083c163cdd7..232ecc6a596f656d37a159d6b940331babd72265 100644
--- a/png.c
+++ b/png.c
@@ -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_0beta91 Your_png_h_is_not_version_1_4_0beta91;
+typedef version_1_4_0beta92 Your_png_h_is_not_version_1_4_0beta92;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.
@@ -547,13 +547,13 @@ png_get_copyright(png_structp png_ptr)
 #else
 #ifdef __STDC__
    return ((png_charp) PNG_STRING_NEWLINE \
-     "libpng version 1.4.0beta91 - November 3, 2009" PNG_STRING_NEWLINE \
+     "libpng version 1.4.0beta92 - November 3, 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 1.4.0beta91 - November 3, 2009\
+      return ((png_charp) "libpng version 1.4.0beta92 - November 3, 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 63cd38af99168067f3454e18e3dfedcc71d3b166..4dacc5599731f263d15554927c342e66858a9a0a 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.4.0beta91 - November 3, 2009
+ * libpng version 1.4.0beta92 - November 3, 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 1.4.0beta91 - November 3, 2009: Glenn
+ *  libpng versions 0.97, January 1998, through 1.4.0beta92 - November 3, 2009: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -131,7 +131,7 @@
  *    1.4.0beta15-36          14    10400  14.so.0.0[.0]
  *    1.4.0beta37-87          14    10400  14.so.14.0[.0]
  *    1.4.0rc01               14    10400  14.so.14.0[.0]
- *    1.4.0beta88-90          14    10400  14.so.14.0[.0]
+ *    1.4.0beta88-92          14    10400  14.so.14.0[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -163,7 +163,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta91, November 3, 2009, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta92, November 3, 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:
@@ -281,7 +281,7 @@
  *    an official declaration.
  *
  *    This is your unofficial assurance that libpng from version 0.71 and
- *    upward through 1.4.0beta91 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.4.0beta92 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
@@ -337,9 +337,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.4.0beta91"
+#define PNG_LIBPNG_VER_STRING "1.4.0beta92"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.4.0beta91 - November 3, 2009\n"
+   " libpng version 1.4.0beta92 - November 3, 2009\n"
 
 #define PNG_LIBPNG_VER_SONUM   14
 #define PNG_LIBPNG_VER_DLLNUM  14
@@ -352,7 +352,7 @@
  * PNG_LIBPNG_VER_STRING, omitting any leading zero:
  */
 
-#define PNG_LIBPNG_VER_BUILD  91
+#define PNG_LIBPNG_VER_BUILD  92
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -1332,7 +1332,7 @@ 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_0beta91;
+typedef png_structp version_1_4_0beta92;
 
 typedef png_struct FAR * FAR * png_structpp;
 
diff --git a/pngconf.h b/pngconf.h
index 79706073a6cbcd5fba77851495f3b62c55bfdb7b..00a712e9959798d0c9a7f265eb2ded952f9cbf8d 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.4.0beta91 - November 3, 2009
+ * libpng version 1.4.0beta92 - November 3, 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/pngpriv.h b/pngpriv.h
index 6d4022f1c5319ba809cccbfa87275340a4255005..a989da0006fe0bc198111ad53abbfc4561c9497d 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1,7 +1,7 @@
 
 /* pngpriv.h - private declarations for use inside libpng
  *
- * libpng version 1.4.0beta91 - November 3, 2009
+ * libpng version 1.4.0beta92 - November 3, 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/pngtest.c b/pngtest.c
index cb5e2ada2e9bdb6310d0ced903586eef367c32b9..d620b756d464f48fc036b513ec9853bb5a72733d 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -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_0beta91 your_png_h_is_not_version_1_4_0beta91;
+typedef version_1_4_0beta92 your_png_h_is_not_version_1_4_0beta92;
diff --git a/projects/xcode/libpng.xcodeproj/project.pbxproj b/projects/xcode/libpng.xcodeproj/project.pbxproj
index 2fe966463eeb548e8bcca55cd3d249a1e1ebbff2..e397c2ff9b862ec5d44fecd41bbe5cf09124a0f6 100644
--- a/projects/xcode/libpng.xcodeproj/project.pbxproj
+++ b/projects/xcode/libpng.xcodeproj/project.pbxproj
@@ -226,7 +226,7 @@
 				COPY_PHASE_STRIP = NO;
 				DYLIB_COMPATIBILITY_VERSION = 14;
 				DYLIB_CURRENT_VERSION = 14;
-				FRAMEWORK_VERSION = 1.4.0beta91;
+				FRAMEWORK_VERSION = 1.4.0beta92;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
 				INFOPLIST_FILE = Info.plist;
@@ -244,7 +244,7 @@
 			buildSettings = {
 				DYLIB_COMPATIBILITY_VERSION = 14;
 				DYLIB_CURRENT_VERSION = 14;
-				FRAMEWORK_VERSION = 1.4.0beta91;
+				FRAMEWORK_VERSION = 1.4.0beta92;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				GCC_PREFIX_HEADER = "";
 				INFOPLIST_FILE = Info.plist;
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 1f9685d988a6dc47d931a38b1b53f2a2468e1c89..16739de5fd7423b821b578a1837a8068104e0fa8 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -11,7 +11,7 @@
 
 # Modeled after libxml-config.
 
-version=1.4.0beta91
+version=1.4.0beta92
 prefix=""
 libdir=""
 libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index a8464275f9ed383861553a0e89a509010a389a57..f856dac276eb96326743b15528285a8db9f52856 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: 1.4.0beta91
+Version: 1.4.0beta92
 Libs: -L${libdir} -lpng14
 Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 47679a8ea238c39057b4f389113bc5d01e00d056..8ba320539128ba7a376f7efff168976c8737cfe2 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index 00425c7f19a17a0e93363c4f57ae6c09d159bd11..ac7bc7dba4b7b760b8cd56ff2b5cad2c15f0ad18 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 9115b03ccb7c25fe7f2369bac1f9fbeb057ab468..95b0a01032bd8a4924f038cfa794eb0262fc36ab 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -23,7 +23,7 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index ed57b7722e8d6de4b1366f06f252bdf2b418af39..d51167ad5fd221c6c261b710f72ce5b1f3663815 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 454a0eaefdb6b90d38f5a167bc5726e77e8dd7a9..dfce94ab000356c8234705d9bce86a28a69d0625 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 = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 4878246616921a75dbc84742e07a918b3d2e56e8..54cc2f7eabd167b693f15e3e3a9f934336cd1677 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -22,7 +22,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 959fbaee08f19a63aa8e7cab42fb89bf0511e0f4..5d432bf4762fe711aea5e8af43803b8454d26fc0 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng14
 
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index 2aba4c28f54adb8fd2d6f884037a0ebc465a6694..f55cbc7b7da5360756ef43ca07cf6132fe1929d6 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index 8f5a3b0ba46a8928742d300293b682e0d97cd824..5d8a546de95adf9425e701d469d9a95373ee1c04 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index d3d7f4857f3b7e6d1b6c2787e89ee233cfb8b969..3bba475df0208edf2991a37fa8301feda61fa89f 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index fc3d23dfd7a7750df66419dab5d0acdf8f75eac7..5e589ba4e3cff8517bc3670c97d532ccec379c83 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 5988448db61150cfb37f633f2e09545d63681113..25c44b143a56c0255e08121d556399916e4a4feb 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index cd782537fb26855f53d50780a7e073b1d04491ad..e8aff8cd5e2278ecb372f26924a15d7dc3a99c5a 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 = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 11c2e99e9b4eaa45baba0418e94db26d2088aeb7..fee74aeadff9bbbe456b59a9c02b8ca98ed005d5 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
 
 LIB=	png14
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.4.0beta91
+SHLIB_MINOR=	1.4.0beta92
 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 5337f1f81047d8a5401d958be62c32480c39ad71..eccd6b8d7d8a8da2f4a516727b2cde2f5821de7a 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.4.0beta91
+SHLIB_MINOR=	1.4.0beta92
 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 f758d048a0c075523e97e9f7de43608f75f497a9..90293314188fc50054051668221a2c6d70647647 100644
--- a/scripts/makefile.nommx
+++ b/scripts/makefile.nommx
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 53dbebff0071d516cb67c9081aa913c68b61bd11..175252231876973b48900aa440629fefac0bf9fa 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=	1.4.0beta91
+SHLIB_MINOR=	1.4.0beta92
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 94a4de14f3ebc0b5967f49472aed96d0004ddd98..af3ec49a4f0a0d194451be7bdf99372fff8004c8 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index df1f953b0adad3e338ae464e4963f99191b5e4a2..b0af6e181e6f66d476c0e099d9df27330aaaf5bb 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index ffc2483c97bc15097a6c955967f3561179347472..9071939c5e1fb11ddbe750e4e5aeea55d8e09861 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 1cee5f45e40e6e13a521583425a3b15cc6da83be..dcb6f5939829df3b67df1e2e2048e168abb16984 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -11,7 +11,7 @@
 
 # Library name:
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng14
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 577aac8a3229e56e8826741087ac330209c8d6f2..be330194142cefed72afb088d3ca0b4a94dc78e6 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng14
 PNGMAJ = 14
-PNGMIN = 1.4.0beta91
+PNGMIN = 1.4.0beta92
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/png32ce.def b/scripts/png32ce.def
index f5f09abef63d4ad646fcef5c79f91821dcf46e71..e2f91a7579b60cfd9247ca5367cd60c41ada4a93 100644
--- a/scripts/png32ce.def
+++ b/scripts/png32ce.def
@@ -5,7 +5,7 @@
 LIBRARY lpngce
 
 EXPORTS
-;Version 1.4.0beta91
+;Version 1.4.0beta92
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index 20d67d212e245f55b9733ed1ec9b2542575cb82d..c2e22ccbf7a7f3f916709ccb6a392a63fe9a5da4 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.4.0beta91
+; Version 1.4.0beta92
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
diff --git a/scripts/pngwin.def b/scripts/pngwin.def
index 444e95d613c814f54a223fad7eb4c7a3a1690325..033a12c814441deef378091f32c2be0ba948e1bf 100644
--- a/scripts/pngwin.def
+++ b/scripts/pngwin.def
@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.4.0beta91
+;Version 1.4.0beta92
   png_build_grayscale_palette
   png_chunk_error
   png_chunk_warning