diff --git a/ANNOUNCE b/ANNOUNCE
index af9b9fe..43fb0d1 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.7.0alpha04 - December 22, 2012
+Libpng 1.7.0alpha04 - December 23, 2012
 
 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.
@@ -90,7 +90,7 @@
   Disassembled the version number in scripts/options.awk (necessary for
     building on SunOs).
 
-Version 1.7.0alpha04 [December 22, 2012]
+Version 1.7.0alpha04 [December 23, 2012]
   Added scripts/makefile.msys contributed by Christopher M. Wheeler
   Made default Zlib compression settings be configurable. This adds #defines to
     pnglibconf.h to control the defaults.
diff --git a/CHANGES b/CHANGES
index 669a49f..971a3de 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4375,7 +4375,7 @@
   Disassembled the version number in scripts/options.awk (necessary for
     building on SunOs).
 
-Version 1.7.0alpha04 [December 22, 2012]
+Version 1.7.0alpha04 [December 23, 2012]
   Added scripts/makefile.msys contributed by Christopher M. Wheeler
   Made default Zlib compression settings be configurable. This adds #defines to
     pnglibconf.h to control the defaults.
diff --git a/LICENSE b/LICENSE
index 86c3001..59b265a 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 1.7.0alpha04, December 19, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.7.0alpha04, December 23, 2012, are
 Copyright (c) 2004, 2006-2012 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
-December 19, 2012
+December 23, 2012
diff --git a/README b/README
index ca32f08..1d69f32 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.7.0alpha04 - December 19, 2012 (shared library 17.0)
+README for libpng version 1.7.0alpha04 - December 23, 2012 (shared library 17.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/libpng-manual.txt b/libpng-manual.txt
index acd4972..03101ce 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.7.0alpha04 - December 19, 2012
+ libpng version 1.7.0alpha04 - December 23, 2012
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.7.0alpha04 - December 19, 2012
+ libpng versions 0.97, January 1998, through 1.7.0alpha04 - December 23, 2012
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
 
@@ -5161,7 +5161,7 @@
 
 XVII. Y2K Compliance in libpng
 
-December 19, 2012
+December 23, 2012
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
diff --git a/libpng.3 b/libpng.3
index 5e93b6e..b75b7ab 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "December 19, 2012"
+.TH LIBPNG 3 "December 23, 2012"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0alpha04
 .SH SYNOPSIS
@@ -494,7 +494,7 @@
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.7.0alpha04 - December 19, 2012
+ libpng version 1.7.0alpha04 - December 23, 2012
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
@@ -505,7 +505,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.7.0alpha04 - December 19, 2012
+ libpng versions 0.97, January 1998, through 1.7.0alpha04 - December 23, 2012
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2011 Glenn Randers-Pehrson
 
@@ -5656,7 +5656,7 @@
 
 .SH XVII. Y2K Compliance in libpng
 
-December 19, 2012
+December 23, 2012
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -5925,7 +5925,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.7.0alpha04 - December 19, 2012:
+Libpng version 1.7.0alpha04 - December 23, 2012:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -5948,7 +5948,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.7.0alpha04, December 19, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.7.0alpha04, December 23, 2012, 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
@@ -6047,7 +6047,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-December 19, 2012
+December 23, 2012
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index cd4279e..84a7d23 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "December 19, 2012"
+.TH LIBPNGPF 3 "December 23, 2012"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0alpha04
 (private functions)
diff --git a/png.5 b/png.5
index 2fdfe27..2912c14 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "December 19, 2012"
+.TH PNG 5 "December 23, 2012"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 108ac69..7697f20 100644
--- a/png.c
+++ b/png.c
@@ -691,13 +691,13 @@
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-     "libpng version 1.7.0alpha04 - December 21, 2012" PNG_STRING_NEWLINE \
+     "libpng version 1.7.0alpha04 - December 23, 2012" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2012 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 "libpng version 1.7.0alpha04 - December 21, 2012\
+      return "libpng version 1.7.0alpha04 - December 23, 2012\
       Copyright (c) 1998-2012 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 beb8b1c..3d677ec 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.7.0alpha04 - December 19, 2012
+ * libpng version 1.7.0alpha04 - December 23, 2012
  * Copyright (c) 1998-2012 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 1.7.0alpha04 - December 19, 2012: Glenn
+ *   libpng versions 0.97, January 1998, through 1.7.0alpha04 - December 23, 2012: Glenn
  *   See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -199,7 +199,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.7.0alpha04, December 19, 2012, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.7.0alpha04, December 23, 2012, are
  * Copyright (c) 2004, 2006-2012 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:
@@ -311,7 +311,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    December 19, 2012
+ *    December 23, 2012
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -379,7 +379,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.7.0alpha04"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.7.0alpha04 - December 19, 2012\n"
+     " libpng version 1.7.0alpha04 - December 23, 2012\n"
 
 #define PNG_LIBPNG_VER_SONUM   17
 #define PNG_LIBPNG_VER_DLLNUM  17
diff --git a/pngconf.h b/pngconf.h
index 3a0cfac..aa7bdf6 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.7.0alpha04 - December 21, 2012
+ * libpng version 1.7.0alpha04 - December 23, 2012
  *
  * Copyright (c) 1998-2012 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index 0871f5b..2149003 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.7.0alpha04 - December 21, 2012
+libpng version 1.7.0alpha04 - December 23, 2012
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 5532224..eb4f6dd 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.7.0alpha04 - December 21, 2012
+ * libpng version 1.7.0alpha04 - December 23, 2012
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 65b2623..4344afb 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.7.0alpha04 - December 19, 2012
+Makefiles for  libpng version 1.7.0alpha04 - December 23, 2012
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/makefile.msys b/scripts/makefile.msys
index 1f1451a..4dc63b3 100644
--- a/scripts/makefile.msys
+++ b/scripts/makefile.msys
@@ -185,20 +185,20 @@
 	$(RM_F) *$(O) libpng$(A) pngtest$(EXE) pngout.png pnglibconf.h $(LIBSO) \
 	$(LIBSOMAJ) libpng-config
 
-png$(O):      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngget$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngmem$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngread$(O):  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngrio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngset$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngwio$(O):   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 
-pngtest$(O):  png.h pngconf.h pnglibconf.h
+pngtest.o: png.h pngconf.h pnglibconf.h
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index 43a1287..700dbde 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -1,6 +1,6 @@
 /* pnglibconf.h - library build configuration */
 
-/* libpng version 1.7.0alpha04 - December 21, 2012 */
+/* libpng version 1.7.0alpha04 - December 23, 2012 */
 
 /* Copyright (c) 1998-2012 Glenn Randers-Pehrson */