[libpng10] Imported from libpng-1.0.52.tar
diff --git a/ANNOUNCE b/ANNOUNCE
index 41920be..fa02a47 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,80 +1,66 @@
 
-Libpng 1.0.52rc02 - January 1, 2010
+Libpng 1.0.52 - January 3, 2010
 
-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.
+This is a public release of libpng, intended for use in production codes.
 
 Files available for download:
 
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   libpng-1.0.52rc02.tar.xz (LZMA-compressed, recommended)
-   libpng-1.0.52rc02.tar.gz
-   libpng-1.0.52rc02.tar.bz2
+   libpng-1.0.52.tar.xz (LZMA-compressed, recommended)
+   libpng-1.0.52.tar.gz
+   libpng-1.0.52.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   libpng-1.0.52rc02-no-config.tar.xz (LZMA-compressed, recommended)
-   libpng-1.0.52rc02-no-config.tar.gz
-   libpng-1.0.52rc02-no-config.tar.bz2
+   libpng-1.0.52-no-config.tar.xz (LZMA-compressed, recommended)
+   libpng-1.0.52-no-config.tar.gz
+   libpng-1.0.52-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1052r02.zip
-   lp1052r02.7z
-   lp1052r02.tar.bz2
+   lpng1052.zip
+   lpng1052.7z
+   lpng1052.tar.bz2
 
 Project files
 
-   libpng-1.0.52rc02-project-netware.zip
-   libpng-1.0.52rc02-project-wince.zip
+   libpng-1.0.52-project-netware.zip
+   libpng-1.0.52-project-wince.zip
 
 Other information:
 
-   libpng-1.0.52rc02-README.txt
-   libpng-1.0.52rc02-KNOWNBUGS.txt
-   libpng-1.0.52rc02-LICENSE.txt
-   libpng-1.0.52rc02-Y2K-compliance.txt
-   libpng-1.0.52rc02-[previous version]-diff.txt
+   libpng-1.0.52-README.txt
+   libpng-1.0.52-KNOWNBUGS.txt
+   libpng-1.0.52-LICENSE.txt
+   libpng-1.0.52-Y2K-compliance.txt
 
 Changes since the last public release (1.0.51):
 
-version 1.2.42beta01 [December 4, 2009]
+version 1.0.52 [January 3, 2010]
+
   Removed "#define PNG_NO_ERROR_NUMBERS" that was inadvertently added
     to pngconf.h in version 1.2.41.
   Revised scripts/makefile.netbsd, makefile.openbsd, and makefile.sco
     to put png.h and pngconf.h in $prefix/include, like the other scripts,
     instead of in $prefix/include/libpng.  Also revised makefile.sco
-    to put them in $prefix/include/libpng%NN% instead of in
-    $prefix/include/libpng/libpng%NN%.
+    to put them in $prefix/include/libpng12 instead of in
+    $prefix/include/libpng/libpng12.
   Removed leftover "-DPNG_CONFIGURE_LIBPNG" from scripts/makefile.darwin
-
-version 1.2.42beta02 [December 11, 2009]
-  Removed leftover "-DPNG_CONFIGURE_LIBPNG" from contrib/pngminim/*/makefile
-  Relocated png_do_chop() to its original position in pngrtran.c. The
+    and contrib/pngminim/*/makefile
+  Relocated png_do_chop() to its original position in pngrtran.c; the
     change in version 1.2.41beta08 caused transparency to be handled wrong
     in some 16-bit datastreams (Yusaku Sugai).
-
-version 1.2.42rc01 [December 17, 2009]
-  No changes.
-
-version 1.2.42rc02 [December 22, 2009]
   Renamed libpng-pc.in back to libpng.pc.in and revised CMakeLists.txt
-    (revising changes made in 1.2.41beta17 and 1.2.41rc01)
-
-version 1.2.42rc03 [December 25, 2009]
-  Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
+    (revising changes made in 1.2.41)
   Swapped PNG_UNKNOWN_CHUNKS_SUPPORTED and PNG_HANDLE_AS_UNKNOWN_SUPPORTED
     in pngset.c to be consistent with other changes in version 1.2.38.
+  Avoid deprecated references to png_ptr-io_ptr and png_ptr->error_ptr
+    in pngtest.c
 
-version 1.2.42rc04 [January 1, 2010]
-  Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
-  Updated copyright year.
-
-version 1.0.52 and 1.2.42 [January 1, 2010]
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 
diff --git a/CHANGES b/CHANGES
index ecd815c..dc4a145 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2625,6 +2625,12 @@
   Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
   Updated copyright year.
 
+version 1.2.42rc05 [January 2, 2010]
+  Avoid deprecated references to png_ptr-io_ptr and png_ptr->error_ptr
+    in pngtest.c
+
+version 1.2.42 and 1.0.52 [January 3, 2010]
+
 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/INSTALL b/INSTALL
index f5f40f5..992185c 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.0.52rc02 - January 1, 2010
+Installing libpng version 1.0.52 - January 3, 2010
 
 On Unix/Linux and similar systems, you can simply type
 
@@ -46,7 +46,7 @@
 correspond to the version of zlib that's installed.
 
 You can rename the directories that you downloaded (they
-might be called "libpng-1.0.52rc02" or "libpng10" and "zlib-1.2.3"
+might be called "libpng-1.0.52" or "libpng10" and "zlib-1.2.3"
 or "zlib123") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
diff --git a/KNOWNBUG b/KNOWNBUG
index 4291a6a..bf97c44 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.0.52rc02
+Known bugs in libpng version 1.0.52
 
 1. December 4, 2009: The PNG_NO_ERROR_NUMBERS macro was inadvertently
    defined in libpng-1.2.41/pngconf.h, which may cause a problem with
diff --git a/LICENSE b/LICENSE
index aa84b36..06a1f8f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.0.52rc02, January 1, 2010, are
+libpng versions 1.2.6, August 15, 2004, through 1.0.52, January 3, 2010, are
 Copyright (c) 2004, 2006-2009 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 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-January 1, 2010
+January 3, 2010
diff --git a/Makefile.am b/Makefile.am
index 9e8cc8b..02b5867 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -86,7 +86,7 @@
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.0.52rc02.txt pngvcrd.c
+	example.c libpng-1.0.52.txt pngvcrd.c
 
 CLEANFILES= pngout.png libpng10.pc libpng10-config libpng.vers \
 libpng.sym
diff --git a/Makefile.in b/Makefile.in
index 3e0ceee..f7d1de1 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -351,7 +351,7 @@
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng-1.0.52rc02.txt pngvcrd.c
+	example.c libpng-1.0.52.txt pngvcrd.c
 
 CLEANFILES = pngout.png libpng10.pc libpng10-config libpng.vers \
 libpng.sym
diff --git a/README b/README
index 19dc0aa..67cb422 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.0.52rc02 - January 1, 2010 (shared library 10.0)
+README for libpng version 1.0.52 - January 3, 2010 (shared library 10.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -199,11 +199,11 @@
        makefile.std     =>  Generic UNIX makefile (cc, creates static
                             libpng.a)
        makefile.elf     =>  Linux/ELF gcc makefile symbol versioning,
-                            creates libpng10.so.0.1.0.52rc02)
+                            creates libpng10.so.0.1.0.52)
        makefile.linux   =>  Linux/ELF makefile (gcc, creates
-                            libpng10.so.0.1.0.52rc02)
+                            libpng10.so.0.1.0.52)
        makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng10.so.0.1.0.52rc02, previously
+                            libpng10.so.0.1.0.52, previously
                             used assembler code tuned for Intel MMX
                             platform)
        makefile.gcc     =>  Generic makefile (gcc, creates static
@@ -228,12 +228,12 @@
        makefile.openbsd =>  OpenBSD makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
        makefile.sggcc   =>  Silicon Graphics
-                            (gcc, creates libpng10.so.0.1.0.52rc02)
+                            (gcc, creates libpng10.so.0.1.0.52)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng10.so.0.1.0.52rc02)
+                            (gcc, creates libpng10.so.0.1.0.52)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng10.so.0.1.0.52rc02)
+                            (gcc, creates libpng10.so.0.1.0.52)
        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 d446ee0..0d13f4c 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
    Y2K compliance in libpng:
    =========================
 
-      January 1, 2010
+      January 3, 2010
 
       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 1.0.52rc02 are Y2K compliant.  It is my belief that earlier
+      upward through 1.0.52 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 207298c..b0612f9 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for libpng 1.0.52rc02.
+# Generated by GNU Autoconf 2.65 for libpng 1.0.52.
 #
 # Report bugs to <png-mng-implement@lists.sourceforge.net>.
 #
@@ -701,8 +701,8 @@
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.0.52rc02'
-PACKAGE_STRING='libpng 1.0.52rc02'
+PACKAGE_VERSION='1.0.52'
+PACKAGE_STRING='libpng 1.0.52'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 PACKAGE_URL=''
 
@@ -1435,7 +1435,7 @@
   # 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 1.0.52rc02 to adapt to many kinds of systems.
+\`configure' configures libpng 1.0.52 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1505,7 +1505,7 @@
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.0.52rc02:";;
+     short | recursive ) echo "Configuration of libpng 1.0.52:";;
    esac
   cat <<\_ACEOF
 
@@ -1612,7 +1612,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.0.52rc02
+libpng configure 1.0.52
 generated by GNU Autoconf 2.65
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -2037,7 +2037,7 @@
 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 1.0.52rc02, which was
+It was created by libpng $as_me 1.0.52, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
@@ -2845,7 +2845,7 @@
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.0.52rc02'
+ VERSION='1.0.52'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2909,7 +2909,7 @@
 
 
 
-PNGLIB_VERSION=1.0.52rc02
+PNGLIB_VERSION=1.0.52
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=0
 PNGLIB_RELEASE=52
@@ -12074,7 +12074,7 @@
 # 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 1.0.52rc02, which was
+This file was extended by libpng $as_me 1.0.52, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -12140,7 +12140,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libpng config.status 1.0.52rc02
+libpng config.status 1.0.52
 configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 3843df8..03ef74d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.0.52rc02], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.0.52], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.0.52rc02
+PNGLIB_VERSION=1.0.52
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=0
 PNGLIB_RELEASE=52
diff --git a/libpng-1.0.52rc02.txt b/libpng-1.0.52.txt
similarity index 99%
rename from libpng-1.0.52rc02.txt
rename to libpng-1.0.52.txt
index 4629594..69254aa 100644
--- a/libpng-1.0.52rc02.txt
+++ b/libpng-1.0.52.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.52rc02 - January 1, 2010
+ libpng version 1.0.52 - January 3, 2010
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.0.52rc02 - January 1, 2010
+ libpng versions 0.97, January 1998, through 1.0.52 - January 3, 2010
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -878,7 +878,7 @@
 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 1.0.52rc02, not all possible expansions are supported.
+As of libpng version 1.0.52, 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
@@ -2933,7 +2933,11 @@
    png_uint_32 application_vn = PNG_LIBPNG_VER;
 
 VIII.  (Omitted).
+
+
 IX.  (Omitted)
+
+
 X. Detecting libpng
 
 The png_get_io_ptr() function has been present since libpng-0.88, has never
@@ -3072,13 +3076,13 @@
 
 XIII. Y2K Compliance in libpng
 
-January 1, 2010
+January 3, 2010
 
 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 1.0.52rc02 are Y2K compliant.  It is my belief that earlier
+upward through 1.0.52 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 f45d7ee..c3a5fa5 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "January 1, 2010"
+.TH LIBPNG 3 "January 3, 2010"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.52rc02
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.52
 .SH SYNOPSIS
 \fI\fB
 
@@ -821,7 +821,7 @@
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.52rc02 - January 1, 2010
+ libpng version 1.0.52 - January 3, 2010
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -832,7 +832,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.0.52rc02 - January 1, 2010
+ libpng versions 0.97, January 1998, through 1.0.52 - January 3, 2010
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -1699,7 +1699,7 @@
 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 1.0.52rc02, not all possible expansions are supported.
+As of libpng version 1.0.52, 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
@@ -3754,7 +3754,11 @@
    png_uint_32 application_vn = PNG_LIBPNG_VER;
 
 .SH VIII.  (Omitted).
+
+
 .SH IX.  (Omitted)
+
+
 .SH X. Detecting libpng
 
 The png_get_io_ptr() function has been present since libpng-0.88, has never
@@ -3893,13 +3897,13 @@
 
 .SH XIII. Y2K Compliance in libpng
 
-January 1, 2010
+January 3, 2010
 
 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 1.0.52rc02 are Y2K compliant.  It is my belief that earlier
+upward through 1.0.52 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
@@ -4189,7 +4193,7 @@
  1.0.51              10    10051  10.so.0.51[.0]
  1.2.41              13    10241  12.so.0.41[.0]
  1.2.42beta01-02     13    10242  12.so.0.42[.0]
- 1.2.42rc01-04       13    10242  12.so.0.42[.0]
+ 1.2.42rc01-05       13    10242  12.so.0.42[.0]
  1.0.52              10    10052  10.so.0.52[.0]
  1.2.42              13    10242  12.so.0.42[.0]
 
@@ -4247,7 +4251,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.0.52rc02 - January 1, 2010:
+Libpng version 1.0.52 - January 3, 2010:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -4270,7 +4274,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.0.52rc02, January 1, 2010, are
+libpng versions 1.2.6, August 15, 2004, through 1.0.52, January 3, 2010, are
 Copyright (c) 2004,2006-2008 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
@@ -4369,7 +4373,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-January 1, 2010
+January 3, 2010
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index c8de229..fd8c278 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "January 1, 2010"
+.TH LIBPNGPF 3 "January 3, 2010"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.52rc02
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.52
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
diff --git a/png.5 b/png.5
index 4475892..ddc263b 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "January 1, 2010"
+.TH PNG 5 "January 3, 2010"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 442c7c5..bd721e1 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * Last changed in libpng 1.2.42 [January 1, 2010]
+ * Last changed in libpng 1.2.42 [January 3, 2010]
  * Copyright (c) 1998-2010 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.)
@@ -17,7 +17,7 @@
 #include "png.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_52rc02 Your_png_h_is_not_version_1_0_52rc02;
+typedef version_1_0_52 Your_png_h_is_not_version_1_0_52;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.
@@ -723,13 +723,13 @@
 #else
 #ifdef __STDC__
    return ((png_charp) PNG_STRING_NEWLINE \
-     "libpng version 1.0.52rc02 - January 1, 2010" PNG_STRING_NEWLINE \
+     "libpng version 1.0.52 - January 3, 2010" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2010 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 1.0.52rc02 - January 1, 2010\
+      return ((png_charp) "libpng version 1.0.52 - January 3, 2010\
       Copyright (c) 1998-2010 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 89ec786..e1eda55 100644
--- a/png.h
+++ b/png.h
@@ -1,6 +1,6 @@
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.0.52rc02 - January 1, 2010
+ * libpng version 1.0.52 - January 3, 2010
  * Copyright (c) 1998-2010 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.)
@@ -10,7 +10,7 @@
  * 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 1.0.52rc02 - January 1, 2010: Glenn
+ *  libpng versions 0.97, January 1998, through 1.0.52 - January 3, 2010: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -251,7 +251,7 @@
  *    1.0.51                  10    10051  10.so.0.51[.0]
  *    1.2.41                  13    10241  12.so.0.41[.0]
  *    1.2.42beta01-02         13    10242  12.so.0.42[.0]
- *    1.2.42rc01-04           13    10242  12.so.0.42[.0]
+ *    1.2.42rc01-05           13    10242  12.so.0.42[.0]
  *    1.0.52                  10    10052  10.so.0.52[.0]
  *    1.2.42                  13    10242  12.so.0.42[.0]
  *
@@ -285,7 +285,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.0.52rc02, January 1, 2010, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.0.52, January 3, 2010, are
  * Copyright (c) 2004, 2006-2010 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:
@@ -397,13 +397,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    January 1, 2010
+ *    January 3, 2010
  *
  *    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 1.0.52rc02 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.0.52 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
@@ -459,9 +459,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.0.52rc02"
+#define PNG_LIBPNG_VER_STRING "1.0.52"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.0.52rc02 - January 1, 2010\n"
+   " libpng version 1.0.52 - January 3, 2010\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  10
@@ -474,7 +474,7 @@
  * PNG_LIBPNG_VER_STRING, omitting any leading zero:
  */
 
-#define PNG_LIBPNG_VER_BUILD  02
+#define PNG_LIBPNG_VER_BUILD  0
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -491,7 +491,7 @@
 #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
                                        PNG_LIBPNG_BUILD_PRIVATE */
 
-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_RC
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
 
 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
  * We must not include leading zeros.
@@ -1530,7 +1530,7 @@
 /* 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_0_52rc02;
+typedef png_structp version_1_0_52;
 
 typedef png_struct FAR * FAR * png_structpp;
 
diff --git a/pngconf.h b/pngconf.h
index 22708e1..12df037 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.0.52rc02 - January 1, 2010
+ * libpng version 1.0.52 - January 3, 2010
  * Copyright (c) 1998-2010 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 4e7b6a4..4f684a8 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.2.42 [January 1, 2010]
+ * Last changed in libpng 1.2.42 [January 3, 2010]
  * 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 5e43a45..c7f71e1 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 1.2.42 [January 1, 2010]
+ * Last changed in libpng 1.2.42 [January 3, 2010]
  * Copyright (c) 1998-2010 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 5c19121..faf7384 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.2.42 [January 1, 2010]
+ * Last changed in libpng 1.2.42 [January 3, 2010]
  * Copyright (c) 1998-2010 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 a479cf2..d727f48 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -312,12 +312,17 @@
 static void
 pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
-   png_size_t check;
+   png_size_t check = 0;
+   png_voidp io_ptr;
 
    /* fread() returns 0 on error, so it is OK to store this in a png_size_t
     * instead of an int, which is what fread() actually returns.
     */
-   READFILE((png_FILE_p)png_ptr->io_ptr, data, length, check);
+   io_ptr = png_get_io_ptr(png_ptr);
+   if (io_ptr != NULL)
+   {
+      READFILE((png_FILE_p)io_ptr, data, length, check);
+   }
 
    if (check != length)
    {
@@ -457,9 +462,12 @@
 pngtest_warning(png_structp png_ptr, png_const_charp message)
 {
    PNG_CONST char *name = "UNKNOWN (ERROR!)";
-   if (png_ptr != NULL && png_ptr->error_ptr != NULL)
-      name = png_ptr->error_ptr;
-   fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
+   char *test;
+   test = png_get_error_ptr(png_ptr);
+   if (test == NULL)
+     fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
+   else
+     fprintf(STDERR, "%s: libpng warning: %s\n", test, message);
 }
 
 /* This is the default error handling function.  Note that replacements for
@@ -1690,4 +1698,4 @@
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_52rc02 your_png_h_is_not_version_1_0_52rc02;
+typedef version_1_0_52 your_png_h_is_not_version_1_0_52;
diff --git a/pngwrite.c b/pngwrite.c
index 195cfc5..386b8af 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * Last changed in libpng 1.2.42 [January 1, 2010]
+ * Last changed in libpng 1.2.42 [January 3, 2010]
  * Copyright (c) 1998-2010 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/projects/wince.txt b/projects/wince.txt
index 265f3f2..79f0d0d 100644
--- a/projects/wince.txt
+++ b/projects/wince.txt
@@ -1,6 +1,6 @@
 A set of project files is available for WinCE.  Get
-libpng-1.0.52rc02-project-wince.zip from a libpng distribution
+libpng-1.0.52-project-wince.zip from a libpng distribution
 site such as http://libpng.sourceforge.net/index.html
 
 Put the zip file in this directory (projects) and then run
-"unzip -a libpng-1.0.52rc02-project-wince.zip"
+"unzip -a libpng-1.0.52-project-wince.zip"
diff --git a/scripts/README.txt b/scripts/README.txt
index 86cc5b6..e3b2873 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,8 +1,8 @@
 
-Makefiles for  libpng version 1.0.52rc02 - January 1, 2010
+Makefiles for  libpng version 1.0.52 - January 3, 2010
 
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng10.so.0.1.0.52rc02)
+                       (gcc, creates libpng10.so.0.1.0.52)
  makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
  makefile.knr      =>  Archaic UNIX Makefile that converts files with
                        ansi2knr (Requires ansi2knr.c from
@@ -20,7 +20,7 @@
  makefile.dec      =>  DEC Alpha UNIX makefile
  makefile.dj2      =>  DJGPP 2 makefile
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng10.so.0.1.0.52rc02)
+                       gcc, creates libpng10.so.0.1.0.52)
  makefile.freebsd  =>  FreeBSD makefile
  makefile.gcc      =>  Generic gcc makefile
  makefile.gccmmx   =>  Generic gcc makefile previously using MMX code
@@ -38,14 +38,14 @@
  makefile.os2      =>  OS/2 Makefile (gcc and emx, requires pngos2.def)
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng10.so.0.1.0.52rc02)
+                       creates libpng10.so.0.1.0.52)
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng10.so.0.1.0.52rc02)
+                       creates libpng10.so.0.1.0.52)
  makefile.solaris-x86  =>  Solaris 2.X makefile (gcc, no MMX code,
-                       creates libpng10.so.0.1.0.52rc02)
+                       creates libpng10.so.0.1.0.52)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng10.so.0.1.0.52rc02)
+                       creates libpng10.so.0.1.0.52)
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.sunos    =>  Sun makefile
  makefile.32sunu   =>  Sun Ultra 32-bit makefile
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 2585875..6e7d7b7 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -11,7 +11,7 @@
 
 # Modeled after libxml-config.
 
-version=1.0.52rc02
+version=1.0.52
 prefix=""
 libdir=""
 libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 34dd9da..5364164 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.0.52rc02
+Version: 1.0.52
 Libs: -L${libdir} -lpng10
 Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index cfcf820..4c7878b 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index d409896..3eb9675 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 5e63099..d28560f 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -23,7 +23,7 @@
 
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index fec0fb2..58546b3 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 7b9326e..dd2a45b 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -77,7 +77,7 @@
 LIBNAME = libpng10
 PNGMAJ = 0
 CYGDLL = 10
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index b51f109..e00e241 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -22,7 +22,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 10
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 10ceed4..39f3817 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng10
 
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index 5456457..a331581 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index f7d105b..6ba9dad 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -17,7 +17,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index e43b3ed..4020d81 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -21,7 +21,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 0914136..d7fae53 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index fd85dd1..c82e906 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -21,7 +21,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 790ae1a..cbfb7e8 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index 2074d11..61c6a59 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -77,7 +77,7 @@
 LIBNAME = libpng10
 PNGMAJ = 0
 MINGDLL = 10
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index e9cb9dd..c30a4d5 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -17,7 +17,7 @@
 
 LIB=	png10
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.0.52rc02
+SHLIB_MINOR=	1.0.52
 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 144f3ad..4856ddb 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -17,7 +17,7 @@
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.0.52rc02
+SHLIB_MINOR=	1.0.52
 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 3dd6f59..0bc94b2 100644
--- a/scripts/makefile.nommx
+++ b/scripts/makefile.nommx
@@ -10,7 +10,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 758ae13..98ff359 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -11,7 +11,7 @@
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.0.52rc02
+SHLIB_MINOR=	1.0.52
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 9372a5e..bfeb0d4 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index 3cfbde4..069b8e9 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 1716407..4b7c29b 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 8685017..2db317d 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -11,7 +11,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng10
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index e579980..39250fe 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.solaris-x86 b/scripts/makefile.solaris-x86
index 4db255a..a42ecf2 100644
--- a/scripts/makefile.solaris-x86
+++ b/scripts/makefile.solaris-x86
@@ -11,7 +11,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.52rc02
+PNGMIN = 1.0.52
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/png32ce.def b/scripts/png32ce.def
index a103225..d985144 100644
--- a/scripts/png32ce.def
+++ b/scripts/png32ce.def
@@ -5,7 +5,7 @@
 LIBRARY lpngce
 
 EXPORTS
-;Version 1.0.52rc02
+;Version 1.0.52
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index 7441405..8054f49 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.0.52rc02
+; Version 1.0.52
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
diff --git a/scripts/pngw32.def b/scripts/pngw32.def
index d240ab0..5a2cf54 100644
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.0.52rc02
+;Version 1.0.52
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3