diff --git a/ANNOUNCE b/ANNOUNCE
index e5d44daf..f40e738f 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.2.9beta11 - March 22, 2006
+Libpng 1.2.9rc1 - March 31, 2006
 
 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.
@@ -9,26 +9,32 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.2.9beta11.tar.gz
-   1.2.9beta11.tar.bz2
+   1.2.9rc1.tar.gz
+   1.2.9rc1.tar.bz2
+
+Source files with LF line endings (for Unix/Linux) without the
+"configure" script
+
+   1.2.9rc1-no-config.tar.gz
+   1.2.9rc1-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp129b11.zip
-   lp129b11.tar.bz2
+   lp129r01.zip
+   lp129r01.tar.bz2
 
 Project files
 
-   1.2.9beta11-project-netware.zip
-   1.2.9beta11-project-wince.zip
+   1.2.9rc1-project-netware.zip
+   1.2.9rc1-project-wince.zip
 
 Other information:
 
-   1.2.9beta11-README.txt
-   1.2.9beta11-KNOWNBUGS.txt
-   1.2.9beta11-LICENSE.txt
-   1.2.9beta11-Y2K-compliance.txt
+   1.2.9rc1-README.txt
+   1.2.9rc1-KNOWNBUGS.txt
+   1.2.9rc1-LICENSE.txt
+   1.2.9rc1-Y2K-compliance.txt
 
 Changes since the last public release (1.2.8):
 
@@ -136,6 +142,10 @@ version 1.2.9beta11 [March 22, 2006]
   Fixed out-of-order declaration in pngwrite.c that was introduced in beta9
   Simplified some makefiles by using LIBSO, LIBSOMAJ, and LIBSOVER macros.
 
+version 1.2.9rc1 [March 31, 2006]
+  Defined PNG_USER_PRIVATEBUILD when including "pngusr.h" (Cosmin).
+  Removed nonsensical assertion check from pngtest.c (Cosmin).
+
 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 5e9101b9..5001539a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1345,7 +1345,7 @@ version 1.0.16rc5 and 1.2.6rc5 [August 10, 2004]
   Moved  "PNG_HANDLE_CHUNK_*" macros out of PNG_ASSEMBLER_CODE_SUPPORTED
      section of png.h where they were inadvertently placed in version rc3.
 
-version 1.0.16 and 1.2.6 [August 15, 2004]
+version 1.2.6 and 1.0.16 [August 15, 2004]
   Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1.
 version 1.2.7beta1 [August 26, 2004]
   Removed unused pngasmrd.h file.
@@ -1362,7 +1362,7 @@ version 1.2.7beta2 [August 28, 2004]
 version 1.0.17rc1 and 1.2.7rc1 [September 4, 2004]
   Revised png_set_strip_filler() to not remove alpha if color_type has alpha.
 
-version 1.0.17 and 1.2.7 [September 12, 2004]
+version 1.2.7 and 1.0.17 [September 12, 2004]
   Added makefile.hp64
   Changed projects/msvc/png32ms.def to scripts/png32ms.def in makefile.cygwin
 version 1.2.8beta1 [November 1, 2004]
@@ -1433,7 +1433,7 @@ version 1.2.9beta1 [February 21, 2006]
   Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16,
     png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin).
   Added type cast (png_byte) in png_write_sCAL() (Cosmin).
-  Fixed scripts/makefile.cygwin (Cosmin).
+  Fixed scripts/makefile.cygwin (Christian Biesinger, Cosmin).
   Default iTXt support was inadvertently enabled.
 
 version 1.2.9beta2 [February 21, 2006]
@@ -1515,6 +1515,10 @@ version 1.2.9beta11 [March 22, 2006]
   Fixed out-of-order declaration in pngwrite.c that was introduced in beta9
   Simplified some makefiles by using LIBSO, LIBSOMAJ, and LIBSOVER macros.
 
+version 1.2.9rc1 [March 31, 2006]
+  Defined PNG_USER_PRIVATEBUILD when including "pngusr.h" (Cosmin).
+  Removed nonsensical assertion check from pngtest.c (Cosmin).
+
 version 1.4.0beta1 [future]
   Enabled iTXt support (changes png_struct, thus requires so-number change).
   Removed deprecated functions png_read_init, png_write_init, png_info_init,
diff --git a/INSTALL b/INSTALL
index 88dcfa05..4a34cdfd 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.2.9beta11 - March 22, 2006
+Installing libpng version 1.2.9rc1 - March 31, 2006
 
 On Unix/Linux and similar systems, you can simply type
 
@@ -29,7 +29,7 @@ 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-1.2.9beta11" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.2.9rc1" 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:
@@ -85,11 +85,11 @@ include
 
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng12.so.0.1.2.9beta11)
+                       gcc, creates libpng12.so.0.1.2.9rc1)
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.9beta11)
+                       (gcc, creates libpng12.so.0.1.2.9rc1)
  makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.9beta11,
+                       (gcc, creates libpng12.so.0.1.2.9rc1,
                        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
@@ -112,12 +112,12 @@ include
  makefile.openbsd  =>  OpenBSD makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng12.so.0.1.2.9beta11)
+                       creates libpng12.so.0.1.2.9rc1)
  makefile.sunos    =>  Sun makefile
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.9beta11)
+                       creates libpng12.so.0.1.2.9rc1)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng12.so.0.1.2.9beta11)
+                       creates libpng12.so.0.1.2.9rc1)
  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 bce67149..a5050a5a 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.2.9beta11
+Known bugs in libpng version 1.2.9rc1
 
 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 915251a0..41b5afb6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.2.6, August 15, 2004, through 1.2.9beta11, March 22, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.9rc1, March 31, 2006, are
 Copyright (c) 2004, 2006 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
@@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-March 22, 2006
+March 31, 2006
diff --git a/README b/README
index 0a256166..9f96ffb7 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.2.9beta11 - March 22, 2006 (shared library 12.0)
+README for libpng version 1.2.9rc1 - March 31, 2006 (shared library 12.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -190,11 +190,11 @@ 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 libpng12.so.0.1.2.9beta11)
+                            gcc, creates libpng12.so.0.1.2.9rc1)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.9beta11)
+                            (gcc, creates libpng12.so.0.1.2.9rc1)
        makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.9beta11,
+                            (gcc, creates libpng12.so.0.1.2.9rc1,
                             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
@@ -216,12 +216,12 @@ Files in this distribution:
        makefile.openbsd =>  OpenBSD makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
        makefile.sggcc   =>  Silicon Graphics
-                            (gcc, creates libpng12.so.0.1.2.9beta11)
+                            (gcc, creates libpng12.so.0.1.2.9rc1)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.9beta11)
+                            (gcc, creates libpng12.so.0.1.2.9rc1)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.9beta11)
+                            (gcc, creates libpng12.so.0.1.2.9rc1)
        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/Y2KINFO b/Y2KINFO
index fd68751d..11bb8a85 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
    Y2K compliance in libpng:
    =========================
 
-      March 22, 2006
+      March 31, 2006
 
       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 1.2.9beta11 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.9rc1 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
diff --git a/configure b/configure
index 7701f379..b62e4752 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59 for libpng 1.2.9beta11.
+# Generated by GNU Autoconf 2.59 for libpng 1.2.9rc1.
 #
 # Report bugs to <png-mng-implement@lists.sourceforge.net>.
 #
@@ -423,8 +423,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.2.9beta11'
-PACKAGE_STRING='libpng 1.2.9beta11'
+PACKAGE_VERSION='1.2.9rc1'
+PACKAGE_STRING='libpng 1.2.9rc1'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 
 ac_unique_file="pngget.c"
@@ -954,7 +954,7 @@ 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 1.2.9beta11 to adapt to many kinds of systems.
+\`configure' configures libpng 1.2.9rc1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1020,7 +1020,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.2.9beta11:";;
+     short | recursive ) echo "Configuration of libpng 1.2.9rc1:";;
    esac
   cat <<\_ACEOF
 
@@ -1167,7 +1167,7 @@ fi
 test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.2.9beta11
+libpng configure 1.2.9rc1
 generated by GNU Autoconf 2.59
 
 Copyright (C) 2003 Free Software Foundation, Inc.
@@ -1181,7 +1181,7 @@ cat >&5 <<_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 1.2.9beta11, which was
+It was created by libpng $as_me 1.2.9rc1, which was
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
@@ -1824,7 +1824,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.2.9beta11'
+ VERSION='1.2.9rc1'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -1979,7 +1979,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.2.9beta11
+PNGLIB_VERSION=1.2.9rc1
 PNGLIB_MAJOR=12
 PNGLIB_MINOR=9
 
@@ -20833,7 +20833,7 @@ _ASBOX
 } >&5
 cat >&5 <<_CSEOF
 
-This file was extended by libpng $as_me 1.2.9beta11, which was
+This file was extended by libpng $as_me 1.2.9rc1, which was
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -20896,7 +20896,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-libpng config.status 1.2.9beta11
+libpng config.status 1.2.9rc1
 configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/configure.ac b/configure.ac
index 36736a58..ac9f7029 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.2.9beta11], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.2.9rc1], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.2.9beta11
+PNGLIB_VERSION=1.2.9rc1
 PNGLIB_MAJOR=12
 PNGLIB_MINOR=9
 
diff --git a/libpng.3 b/libpng.3
index cf3140b0..1d0bac3c 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "March 22, 2006"
+.TH LIBPNG 3 "March 31, 2006"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9beta11
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9rc1
 .SH SYNOPSIS
 \fI\fB
 
@@ -821,7 +821,7 @@ 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 1.2.9beta11 - March 22, 2006
+ libpng version 1.2.9rc1 - March 31, 2006
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -3730,13 +3730,13 @@ application:
 
 .SH IX. Y2K Compliance in libpng
 
-March 22, 2006
+March 31, 2006
 
 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 1.2.9beta11 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.9rc1 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
@@ -3891,6 +3891,7 @@ the first widely used release:
  1.2.8               13    10208  12.so.0.1.2.8
  1.2.9beta1-3        13    10209  12.so.0.1.2.9beta1-3
  1.2.9beta4-11       13    10209  12.so.0.9[.0]
+ 1.2.9rc1            13    10209  12.so.0.9[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -3946,7 +3947,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.9beta11 - March 22, 2006:
+Libpng version 1.2.9rc1 - March 31, 2006:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -3967,7 +3968,7 @@ included in the libpng distribution, the latter shall prevail.)
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.2.6, August 15, 2004, through 1.2.9beta11, March 22, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.9rc1, March 31, 2006, are
 Copyright (c) 2004-2006 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
@@ -4066,7 +4067,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-March 22, 2006
+March 31, 2006
 
 .\" end of man page
 
diff --git a/libpng.txt b/libpng.txt
index 756e82b6..6792b09c 100644
--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.9beta11 - March 22, 2006
+ libpng version 1.2.9rc1 - March 31, 2006
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -2909,13 +2909,13 @@ application:
 
 IX. Y2K Compliance in libpng
 
-March 22, 2006
+March 31, 2006
 
 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 1.2.9beta11 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.9rc1 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/libpngpf.3 b/libpngpf.3
index 994c55f5..3ce83907 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "March 22, 2006"
+.TH LIBPNGPF 3 "March 31, 2006"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9beta11
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9rc1
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
diff --git a/png.5 b/png.5
index 3e113aab..2326ec70 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "March 22, 2006"
+.TH PNG 5 "March 31, 2006"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 9fc333da..5d63c34e 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -13,7 +13,7 @@
 #include "png.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_9beta11 Your_png_h_is_not_version_1_2_9beta11;
+typedef version_1_2_9rc1 Your_png_h_is_not_version_1_2_9rc1;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
@@ -693,7 +693,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
    if (&png_ptr != NULL)  /* silence compiler warning about unused png_ptr */
-   return ((png_charp) "\n libpng version 1.2.9beta11 - March 22, 2006\n\
+   return ((png_charp) "\n libpng version 1.2.9rc1 - March 31, 2006\n\
    Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
    Copyright (c) 1996-1997 Andreas Dilger\n\
    Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
diff --git a/png.h b/png.h
index 11417fff..69b99708 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.9beta11 - March 22, 2006
+ * libpng version 1.2.9rc1 - March 31, 2006
  * Copyright (c) 1998-2006 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.)
@@ -9,7 +9,7 @@
  * 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 1.2.9beta11 - March 22, 2006: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.9rc1 - March 31, 2006: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -114,6 +114,7 @@
  *    1.2.8                   13    10208  12.so.0.1.2.8
  *    1.2.9beta1-3            13    10209  12.so.0.1.2.9beta1-3
  *    1.2.9beta4-11           13    10209  12.so.0.9[.0]
+ *    1.2.9rc1                13    10209  12.so.0.9[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -143,7 +144,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.9beta11, March 22, 2006, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.9rc1, March 31, 2006, are
  * Copyright (c) 2004, 2006 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:
@@ -255,13 +256,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    March 22, 2006
+ *    March 31, 2006
  *
  *    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 1.2.9beta11 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.9rc1 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
@@ -317,9 +318,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.9beta11"
+#define PNG_LIBPNG_VER_STRING "1.2.9rc1"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.9beta11 - March 22, 2006 (header)\n"
+   " libpng version 1.2.9rc1 - March 31, 2006 (header)\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -331,7 +332,7 @@
 /* This should match the numeric part of the final component of
  * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
 
-#define PNG_LIBPNG_VER_BUILD  11
+#define PNG_LIBPNG_VER_BUILD  1
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -348,7 +349,7 @@
 #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
                                        PNG_LIBPNG_BUILD_PRIVATE */
 
-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_RC
 
 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
  * We must not include leading zeros.
@@ -1361,7 +1362,7 @@ 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_2_9beta11;
+typedef png_structp version_1_2_9rc1;
 
 typedef png_struct FAR * FAR * png_structpp;
 
diff --git a/pngconf.h b/pngconf.h
index 9d02cd50..74f8730a 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.9beta11 - March 22, 2006
+ * libpng version 1.2.9rc1 - March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2005 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -24,6 +24,9 @@
  * includes the resource compiler for Windows DLL configurations.
  */
 #ifdef PNG_USER_CONFIG
+#  ifndef PNG_USER_PRIVATEBUILD
+#    define PNG_USER_PRIVATEBUILD
+#  endif
 #include "pngusr.h"
 #endif
 
@@ -59,8 +62,8 @@
 #endif
 
 #ifdef PRIVATEBUILD
-# pragma message("PRIVATEBUILD is deprecated. Use\
- PNG_USER_PRIVATEBUILD instead.")
+# pragma message("PRIVATEBUILD is deprecated.\
+ Use PNG_USER_PRIVATEBUILD instead.")
 # define PNG_USER_PRIVATEBUILD PRIVATEBUILD
 #endif
 #endif /* __STDC__ */
diff --git a/pngerror.c b/pngerror.c
index f97a759a..b6468783 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 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pnggccrd.c b/pnggccrd.c
index bc19f9a7..5548638f 100644
--- a/pnggccrd.c
+++ b/pnggccrd.c
@@ -7,7 +7,7 @@
  *     and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
  *     for Intel's performance analysis of the MMX vs. non-MMX code.
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation
diff --git a/pngget.c b/pngget.c
index b3339e8f..76d763ed 100644
--- a/pngget.c
+++ b/pngget.c
@@ -1,7 +1,7 @@
 
 /* pngget.c - retrieval of values from info struct
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngmem.c b/pngmem.c
index c01c67d8..05be1d58 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngread.c b/pngread.c
index e37c2159..53803ef5 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngrio.c b/pngrio.c
index 895ae889..7d40f4a0 100644
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@
 
 /* pngrio.c - functions for data input
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngrtran.c b/pngrtran.c
index 0be26398..d56bbb58 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 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngrutil.c b/pngrutil.c
index 814a9949..8f44c103 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngset.c b/pngset.c
index ddc45b96..e25e8bd5 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngtest.c b/pngtest.c
index ac7336b6..b7e54633 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -44,7 +44,6 @@
 #else
 #  include <stdio.h>
 #  include <stdlib.h>
-#  include <assert.h>
 #  define READFILE(file, data, length, check) \
      check=(png_size_t)fread(data,(png_size_t)1,length,file)
 #  define WRITEFILE(file, data, length, check) \
@@ -538,7 +537,6 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size)
       png_memset(pinfo->pointer, 0xdd, pinfo->size);
       if(verbose)
          printf("png_malloc %lu bytes at %x\n",size,pinfo->pointer);
-      assert(pinfo->size != 12345678);
       return (png_voidp)(pinfo->pointer);
    }
 }
@@ -1551,4 +1549,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_9beta11 your_png_h_is_not_version_1_2_9beta11;
+typedef version_1_2_9rc1 your_png_h_is_not_version_1_2_9rc1;
diff --git a/pngtrans.c b/pngtrans.c
index e19b6a0f..e8972a4b 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 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwrite.c b/pngwrite.c
index 720cdb93..a68cd10b 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwtran.c b/pngwtran.c
index 26bd4691..c178df84 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 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwutil.c b/pngwutil.c
index f9cfdc75..5a802229 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * Last changed in libpng 1.2.9 March 22, 2006
+ * Last changed in libpng 1.2.9 March 31, 2006
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 509af6c9..eec7107b 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
 
 # Modeled after libxml-config.
 
-version=1.2.9beta11
+version=1.2.9rc1
 prefix=""
 libdir=""
 libs=""
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 24983446..23f618ef 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index ec7d2738..70c53304 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 3f8639e0..d01a122b 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index e84fd3f8..08796e16 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 297706eb..908e6d2b 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -80,7 +80,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 CYGDLL = 12
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index fee05398..934a6838 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 93c2692a..51293d57 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index cd912e15..ee9cca7c 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index 4502b518..81aba651 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index 8d4fcaa0..f0700b00 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index ea625577..7846d878 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index 369ab7c0..55619dc2 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 213c25be..c0cdb043 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index 460e12e4..6e200dcb 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -76,7 +76,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 MINGDLL = 12
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 4fdac08b..61f6b69a 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
 
 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.9beta11
+SHLIB_MINOR=	1.2.9rc1
 SRCS=	pnggccrd.c 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 8d930349..984f7891 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.9beta11
+SHLIB_MINOR=	1.2.9rc1
 SRCS=	pnggccrd.c 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.openbsd b/scripts/makefile.openbsd
index a155b180..1cb0d7e2 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -7,7 +7,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.9beta11
+SHLIB_MINOR=	1.2.9rc1
 
 LIB=	png
 SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index ff6b6229..839a8973 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index a2dcb507..d7dce19e 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 7325c744..897b3eca 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 2b92f789..9649f2f1 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 28f63277..5b6df07b 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta11
+PNGMIN = 1.2.9rc1
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index 4bdd1e02..8f40ba68 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.2.9beta11
+; Version 1.2.9rc1
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
diff --git a/scripts/pngw32.def b/scripts/pngw32.def
index fc667b3f..06e0a873 100644
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.2.9beta11
+;Version 1.2.9rc1
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3