diff --git a/LICENSE b/LICENSE
index 3be8d0c..4a0e082 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 1.7.0beta04, February 22, 2013, are
+libpng versions 1.2.6, August 15, 2004, through 1.7.0beta04, February 27, 2013, are
 Copyright (c) 2004, 2006-2013 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
-February 22, 2013
+February 27, 2013
diff --git a/README b/README
index 4784916..b43e15e 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.7.0beta04 - February 22, 2013 (shared library 17.0)
+README for libpng version 1.7.0beta04 - February 27, 2013 (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 f564eb5..e708eb2 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 1.7.0beta04 - February 26, 2013
+ libpng version 1.7.0beta04 - February 27, 2013
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2013 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.7.0beta04 - February 26, 2013
+ libpng versions 0.97, January 1998, through 1.7.0beta04 - February 27, 2013
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2013 Glenn Randers-Pehrson
 
@@ -5187,7 +5187,7 @@
 
 XVII. Y2K Compliance in libpng
 
-February 26, 2013
+February 27, 2013
 
 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 a1f829b..4466fad 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "February 26, 2013"
+.TH LIBPNG 3 "February 27, 2013"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta04
 .SH SYNOPSIS
@@ -494,7 +494,7 @@
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.7.0beta04 - February 26, 2013
+ libpng version 1.7.0beta04 - February 27, 2013
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2013 Glenn Randers-Pehrson
@@ -505,7 +505,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.7.0beta04 - February 26, 2013
+ libpng versions 0.97, January 1998, through 1.7.0beta04 - February 27, 2013
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2013 Glenn Randers-Pehrson
 
@@ -5682,7 +5682,7 @@
 
 .SH XVII. Y2K Compliance in libpng
 
-February 26, 2013
+February 27, 2013
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -5952,7 +5952,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.7.0beta04 - February 26, 2013:
+Libpng version 1.7.0beta04 - February 27, 2013:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -5975,7 +5975,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.7.0beta04, February 26, 2013, are
+libpng versions 1.2.6, August 15, 2004, through 1.7.0beta04, February 27, 2013, 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
@@ -6074,7 +6074,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 26, 2013
+February 27, 2013
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 21e0f5f..bd286fe 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "February 22, 2013"
+.TH LIBPNGPF 3 "February 27, 2013"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta04
 (private functions)
diff --git a/png.5 b/png.5
index 6d16ae4..253226d 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "February 22, 2013"
+.TH PNG 5 "February 27, 2013"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 1de1b0a..dc04c39 100644
--- a/png.c
+++ b/png.c
@@ -691,13 +691,13 @@
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-     "libpng version 1.7.0beta04 - February 22, 2013" PNG_STRING_NEWLINE \
+     "libpng version 1.7.0beta04 - February 27, 2013" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2013 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 1.7.0beta04 - February 22, 2013\
+      return "libpng version 1.7.0beta04 - February 27, 2013\
       Copyright (c) 1998-2013 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 4fdef33..71386b2 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.7.0beta04 - February 22, 2013
+ * libpng version 1.7.0beta04 - February 27, 2013
  * Copyright (c) 1998-2013 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 1.7.0beta04 - February 22, 2013: Glenn
+ *   libpng versions 0.97, January 1998, through 1.7.0beta04 - February 27, 2013: Glenn
  *   See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -200,7 +200,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.7.0beta04, February 22, 2013, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.7.0beta04, February 27, 2013, are
  * Copyright (c) 2004, 2006-2013 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:
@@ -312,7 +312,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    February 22, 2013
+ *    February 27, 2013
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -380,7 +380,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.7.0beta04"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.7.0beta04 - February 22, 2013\n"
+     " libpng version 1.7.0beta04 - February 27, 2013\n"
 
 #define PNG_LIBPNG_VER_SONUM   17
 #define PNG_LIBPNG_VER_DLLNUM  17
diff --git a/pngconf.h b/pngconf.h
index 71fa7c9..5adec44 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.7.0beta04 - February 22, 2013
+ * libpng version 1.7.0beta04 - February 27, 2013
  *
  * Copyright (c) 1998-2013 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 21c0683..9fff4fe 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.7.0beta04 - February 22, 2013
+libpng version 1.7.0beta04 - February 27, 2013
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 83fab6f..1fafab1 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.7.0beta04 - February 22, 2013
+ * libpng version 1.7.0beta04 - February 27, 2013
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 140302c..2bd5c9d 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.7.0beta04 - February 22, 2013
+Makefiles for  libpng version 1.7.0beta04 - February 27, 2013
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index 6b3129a..875b0de 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -1,6 +1,6 @@
 /* pnglibconf.h - library build configuration */
 
-/* libpng version 1.7.0beta04 - February 22, 2013 */
+/* libpng version 1.7.0beta04 - February 27, 2013 */
 
 /* Copyright (c) 1998-2013 Glenn Randers-Pehrson */
 
diff --git a/scripts/pngtests b/scripts/pngtests
new file mode 100644
index 0000000..dfb352d
--- /dev/null
+++ b/scripts/pngtests
@@ -0,0 +1,39 @@
+makefile.32sunu
+makefile.64sunu
+makefile.acorn
+makefile.aix
+makefile.amiga
+makefile.atari
+makefile.bc32
+makefile.beos
+makefile.bor
+makefile.darwin
+makefile.dec
+makefile.dj2
+makefile.elf
+makefile.freebsd
+makefile.gcc
+makefile.hp64
+makefile.hpgcc
+makefile.hpux
+makefile.ibmc
+makefile.intel
+makefile.knr
+makefile.linux
+makefile.mips
+makefile.msc
+makefile.msys
+makefile.ne12bsd
+makefile.netbsd
+makefile.openbsd
+makefile.sco
+makefile.sggcc
+makefile.sgi
+makefile.so9
+makefile.solaris
+makefile.solaris-x86
+makefile.std
+makefile.sunos
+makefile.tc3
+makefile.vcwin32
+makevms.com
diff --git a/scripts/zlibs b/scripts/zlibs
new file mode 100644
index 0000000..b3467b0
--- /dev/null
+++ b/scripts/zlibs
@@ -0,0 +1,24 @@
+makefile.32sunu
+makefile.64sunu
+makefile.aix
+makefile.beos
+makefile.darwin
+makefile.dec
+makefile.elf
+makefile.freebsd
+makefile.gcc
+makefile.hp64
+makefile.hpgcc
+makefile.hpux
+makefile.ibmc
+makefile.intel
+makefile.linux
+makefile.msys
+makefile.sco
+makefile.sggcc
+makefile.sgi
+makefile.so9
+makefile.solaris
+makefile.solaris-x86
+makefile.std
+makefile.sunos