diff --git a/ANNOUNCE b/ANNOUNCE
index bd7b7749..a10ab69a 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.0.9beta4 - December 1, 2000
+Libpng 1.0.9beta5 - December 15, 2000
 
 This is a public release of libpng, intended for use in production codes.
 
@@ -34,6 +34,7 @@ Changes since the last public release (1.0.8):
   Added makefile.macosx and makefile.aix to scripts directory.
   Change png_chunk_warning to png_warning in png_check_keyword().
   Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
+  Added support for filter method 64 (for PNG datastreams embedded in MNG)
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu
diff --git a/CHANGES b/CHANGES
index fa8c85a7..7fa8fa6c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -855,6 +855,8 @@ version 1.0.9beta3 [November 23, 2000]
 version 1.0.9beta4 [December 1, 2000]
   Change png_chunk_warning to png_warning in png_check_keyword().
   Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
+version 1.0.9beta5 [December 15, 2000]
+  Added support for filter method 64 (for PNG datastreams embedded in MNG)
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu
diff --git a/INSTALL b/INSTALL
index 1055c9eb..ce0984cf 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.0.9beta4 - December 1, 2000
+Installing libpng version 1.0.9beta5 - December 15, 2000
 
 Before installing libpng, you must first install zlib.  zlib
 can usually be found wherever you got libpng.  zlib can be
@@ -10,7 +10,7 @@ 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-1.0.9beta4" or "lpng109" and "zlib-1.1.3"
+might be called "libpng-1.0.9beta5" or "lpng109" and "zlib-1.1.3"
 or "zlib113") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -59,8 +59,8 @@ The files that are presently available in the scripts directory
 include
 
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
- makefile.linux    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta4)
- makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta4,
+ makefile.linux    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta5)
+ makefile.gcmmx    =>  Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta5,
                        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
@@ -75,9 +75,9 @@ include
  libpng.icc        =>  Project file for IBM VisualAge/C++ version 4.0 or later
  makefile.macosx   =>  MACOS X Makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
- makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta4)
+ makefile.sggcc    =>  Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta5)
  makefile.sunos    =>  Sun makefile
- makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.9beta4)
+ makefile.solaris  =>  Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.9beta5)
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
  makefile.mips     =>  MIPS makefile
  makefile.acorn    =>  Acorn makefile
diff --git a/LICENSE b/LICENSE
index cc28b894..842384bc 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 1.0.7, July 1, 2000, through 1.0.9beta4, December 1, 2000, are
+libpng versions 1.0.7, July 1, 2000, through 1.0.9beta5, December 15, 2000, are
 Copyright (c) 2000 Glenn Randers-Pehrson
 and are distributed according to the same disclaimer and license as libpng-1.0.6
 with the following individuals added to the list of Contributing Authors
@@ -99,4 +99,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-December 1, 2000
+December 15, 2000
diff --git a/README b/README
index f86a340f..bfdaf401 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng 1.0.9beta4 - December 1, 2000 (shared library 2.1)
+README for libpng 1.0.9beta5 - December 15, 2000 (shared library 2.1)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -182,9 +182,9 @@ Files in this distribution:
        descrip.mms      =>  VMS makefile for MMS or MMK
        makefile.std     =>  Generic UNIX makefile (cc, creates static libpng.a)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng.so.2.1.0.9beta4)
+                            (gcc, creates libpng.so.2.1.0.9beta5)
        makefile.gcmmx   =>  Linux/ELF makefile (gcc, creates
-                            libpng.so.2.1.0.9beta4, uses assembler code
+                            libpng.so.2.1.0.9beta5, 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
@@ -199,10 +199,10 @@ Files in this distribution:
        libpng.icc       =>  Project file, IBM VisualAge/C++ 4.0 or later
        makefile.macosx  =>  MACOS X Makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
-       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta4)
+       makefile.sggcc   =>  Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta5)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng.so.2.1.0.9beta4)
+                            (gcc, creates libpng.so.2.1.0.9beta5)
        makefile.sco     =>  For SCO OSr5  ELF and Unixware 7 with Native cc
        makefile.mips    =>  MIPS makefile
        makefile.acorn   =>  Acorn makefile
diff --git a/Y2KINFO b/Y2KINFO
index 257dbe59..ae353783 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
    Y2K compliance in libpng:
    =========================
 
-      December 1, 2000
+      December 15, 2000
 
       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 1.0.9beta4 are Y2K compliant.  It is my belief that earlier
+      upward through 1.0.9beta5 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 ba46555c..0f33682e 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 echo "
-  There is no \"configure\" script for Libpng-1.0.9beta4.  Instead, please
+  There is no \"configure\" script for Libpng-1.0.9beta5.  Instead, please
   copy the appropriate makefile for your system from the \"scripts\"
   directory.  Read the INSTALL file for more details.
 "
diff --git a/libpng.3 b/libpng.3
index 73963867..b515fb5d 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "December 1, 2000"
+.TH LIBPNG 3 "December 15, 2000"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta4
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta5
 .SH SYNOPSIS
 \fI\fB
 
@@ -747,7 +747,7 @@ 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 1.0.9beta4 - December 1, 2000
+ libpng version 1.0.9beta5 - December 15, 2000
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
@@ -3328,7 +3328,24 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
 having level = 0 will be printed.  There aren't any such statements in
 this version of libpng, but if you insert some they will be printed.
 
-.SH VI.  Changes to Libpng from version 0.88
+.SH VI.  MNG support
+
+The MNG specification (available at http://www.libpng.org/pub/mng) allows
+certain extensions to PNG for PNG images that are embedded in MNG datastreams.
+Libpng can support some of these extensions.  To enable them, use the
+png_permit_mng_features() function:
+
+   feature_set = png_permit_mng_features(png_ptr, mask)
+   mask is a png_uint_32 containing the logical OR of the
+        features you want to enable.  These include
+        PNG_FLAG_MNG_EMPTY_PLTE
+        PNG_FLAG_MNG_FILTER_64
+        PNG_ALL_MNG_FEATURES
+   feature_set is a png_32_uint that is the logical AND of
+      your mask with the set of MNG features that is
+      supported by the version of libpng that you are using.
+
+.SH VII.  Changes to Libpng from version 0.88
 
 It should be noted that versions of libpng later than 0.96 are not
 distributed by the original libpng author, Guy Schalnat, nor by
@@ -3377,15 +3394,15 @@ application:
 
    png_uint_32 application_vn = PNG_LIBPNG_VER;
 
-.SH VII. Y2K Compliance in libpng
+.SH VIII. Y2K Compliance in libpng
 
-December 1, 2000
+December 15, 2000
 
 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 1.0.9beta4 are Y2K compliant.  It is my belief that earlier
+upward through 1.0.9beta5 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
@@ -3526,7 +3543,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.0.9beta4 - December 1, 2000:
+Libpng version 1.0.9beta5 - December 15, 2000:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu).
 
@@ -3543,7 +3560,7 @@ included in the libpng distribution, the latter shall prevail.)
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.0.7, July 1, 2000, through  1.0.9beta4, December 1, 2000, are
+libpng versions 1.0.7, July 1, 2000, through  1.0.9beta5, December 15, 2000, are
 Copyright (c) 2000 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.0.6
 with the following individuals added to the list of Contributing Authors
@@ -3634,7 +3651,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 randeg@alum.rpi.edu
-December 1, 2000
+December 15, 2000
 
 .\" end of man page
 
diff --git a/libpng.txt b/libpng.txt
index cf899496..6e4c2579 100644
--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.9beta4 - December 1, 2000
+ libpng version 1.0.9beta5 - December 15, 2000
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
@@ -2581,7 +2581,24 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
 having level = 0 will be printed.  There aren't any such statements in
 this version of libpng, but if you insert some they will be printed.
 
-VI.  Changes to Libpng from version 0.88
+VI.  MNG support
+
+The MNG specification (available at http://www.libpng.org/pub/mng) allows
+certain extensions to PNG for PNG images that are embedded in MNG datastreams.
+Libpng can support some of these extensions.  To enable them, use the
+png_permit_mng_features() function:
+
+   feature_set = png_permit_mng_features(png_ptr, mask)
+   mask is a png_uint_32 containing the logical OR of the
+        features you want to enable.  These include
+        PNG_FLAG_MNG_EMPTY_PLTE
+        PNG_FLAG_MNG_FILTER_64
+        PNG_ALL_MNG_FEATURES
+   feature_set is a png_32_uint that is the logical AND of
+      your mask with the set of MNG features that is
+      supported by the version of libpng that you are using.
+
+VII.  Changes to Libpng from version 0.88
 
 It should be noted that versions of libpng later than 0.96 are not
 distributed by the original libpng author, Guy Schalnat, nor by
@@ -2630,15 +2647,15 @@ application:
 
    png_uint_32 application_vn = PNG_LIBPNG_VER;
 
-VII. Y2K Compliance in libpng
+VIII. Y2K Compliance in libpng
 
-December 1, 2000
+December 15, 2000
 
 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 1.0.9beta4 are Y2K compliant.  It is my belief that earlier
+upward through 1.0.9beta5 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 ad39837a..bb293fd8 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "December 1, 2000"
+.TH LIBPNGPF 3 "December 15, 2000"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta4
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta5
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
diff --git a/png.5 b/png.5
index 1348b888..08d60798 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "December 1, 2000"
+.TH PNG 5 "December 15, 2000"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 5f3a29e4..9baf17b8 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * libpng version 1.0.9beta4 - December 1, 2000
+ * libpng version 1.0.9beta5 - December 15, 2000
  * Copyright (c) 1998, 1999, 2000 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.)
@@ -13,14 +13,14 @@
 #include "png.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_9beta4 Your_png_h_is_not_version_1_0_9beta4;
+typedef version_1_0_9beta5 Your_png_h_is_not_version_1_0_9beta5;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
 
 #ifdef PNG_USE_GLOBAL_ARRAYS
 /* png_libpng_ver was changed to a function in version 1.0.5c */
-const char png_libpng_ver[18] = "1.0.9beta4";
+const char png_libpng_ver[18] = "1.0.9beta5";
 
 /* png_sig was changed to a function in version 1.0.5c */
 /* Place to hold the signature string for a PNG file. */
@@ -626,7 +626,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
    if (png_ptr != NULL || png_ptr == NULL)  /* silence compiler warning */
-   return ((png_charp) "\n libpng version 1.0.9beta4 - December 1, 2000\n\
+   return ((png_charp) "\n libpng version 1.0.9beta5 - December 15, 2000\n\
    Copyright (c) 1998-2000 Glenn Randers-Pehrson\n\
    Copyright (c) 1996, 1997 Andreas Dilger\n\
    Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -644,8 +644,8 @@ png_get_libpng_ver(png_structp png_ptr)
 {
    /* Version of *.c files used when building libpng */
    if(png_ptr != NULL) /* silence compiler warning about unused png_ptr */
-      return((png_charp) "1.0.9beta4");
-   return((png_charp) "1.0.9beta4");
+      return((png_charp) "1.0.9beta5");
+   return((png_charp) "1.0.9beta5");
 }
 
 png_charp PNGAPI
diff --git a/png.h b/png.h
index c6c0a191..b5895286 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.0.9beta4 - December 1, 2000
+ * libpng version 1.0.9beta5 - December 15, 2000
  * Copyright (c) 1998, 1999, 2000 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 1.0.9beta4 - December 1, 2000: Glenn
+ *  libpng versions 0.97, January 1998, through 1.0.9beta5 - December 15, 2000: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -58,7 +58,7 @@
  *    1.0.8beta1-4                  10008  2.1.0.8beta1-4
  *    1.0.8rc1                      10008  2.1.0.8rc1
  *    1.0.8                         10008  2.1.0.8
- *    1.0.9beta1-4                  10009  2.1.0.9beta1-4
+ *    1.0.9beta1-5                  10009  2.1.0.9beta1-5
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -85,7 +85,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.0.7, July 1, 2000, through  1.0.9beta4, December 1, 2000, are
+ * libpng versions 1.0.7, July 1, 2000, through  1.0.9beta5, December 15, 2000, are
  * Copyright (c) 2000 Glenn Randers-Pehrson, and are
  * distributed according to the same disclaimer and license as libpng-1.0.6
  * with the following individuals added to the list of Contributing Authors
@@ -190,13 +190,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    December 1, 2000
+ *    December 15, 2000
  *
  *    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 1.0.9beta4 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.0.9beta5 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
@@ -252,7 +252,7 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.0.9beta4"
+#define PNG_LIBPNG_VER_STRING "1.0.9beta5"
 
 #define PNG_LIBPNG_VER_SONUM   2
 
@@ -263,7 +263,7 @@
 /* This should match the numeric part of the final component of
  * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
 
-#define PNG_LIBPNG_VER_BUILD  4
+#define PNG_LIBPNG_VER_BUILD  5
 
 #define PNG_LIBPNG_BUILD_ALPHA    1
 #define PNG_LIBPNG_BUILD_BETA     2
@@ -703,6 +703,7 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
    /* iCCP chunk data. */
    png_charp iccp_name;     /* profile name */
    png_charp iccp_profile;  /* International Color Consortium profile data */
+                            /* Note to maintainer: should be png_bytep */
    png_uint_32 iccp_proflen;  /* ICC profile data length */
    png_byte iccp_compression; /* Always zero */
 #endif
@@ -783,6 +784,7 @@ typedef png_info FAR * FAR * png_infopp;
 
 /* This is for filter type. PNG 1.0-1.2 only define the single type. */
 #define PNG_FILTER_TYPE_BASE      0 /* Single row per-byte filtering */
+#define PNG_INTRAPIXEL_DIFFERENCING 64 /* Used only in MNG datastreams */
 #define PNG_FILTER_TYPE_DEFAULT   PNG_FILTER_TYPE_BASE
 
 /* These are for the interlacing type.  These values should NOT be changed. */
@@ -1166,12 +1168,14 @@ struct png_struct_def
    png_fixed_point int_gamma;
 #endif
 
+   png_byte filter_type;
+
 };
 
 /* This prevents a compiler error in png_get_copyright() in png.c if png.c
-and png.h are both at * version 1.0.9beta4
+and png.h are both at * version 1.0.9beta5
  */
-typedef png_structp version_1_0_9beta4;
+typedef png_structp version_1_0_9beta5;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -2023,12 +2027,14 @@ extern PNG_EXPORT(void,png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr,
 extern PNG_EXPORT(png_uint_32,png_get_iCCP) PNGARG((png_structp png_ptr,
    png_infop info_ptr, png_charpp name, int *compression_type,
    png_charpp profile, png_uint_32 *proflen));
+   /* Note to maintainer: profile should be png_bytepp */
 #endif
 
 #if defined(PNG_iCCP_SUPPORTED)
 extern PNG_EXPORT(void,png_set_iCCP) PNGARG((png_structp png_ptr,
    png_infop info_ptr, png_charp name, int compression_type,
    png_charp profile, png_uint_32 proflen));
+   /* Note to maintainer: profile should be png_bytep */
 #endif
 
 #if defined(PNG_READ_sPLT_SUPPORTED)
@@ -2210,7 +2216,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
 #endif
 
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.0.9beta4 - December 1, 2000 (header)\n"
+   " libpng version 1.0.9beta5 - December 15, 2000 (header)\n"
 
 #ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
 /* With these routines we avoid an integer divide, which will be slower on
@@ -2594,6 +2600,7 @@ PNG_EXTERN void png_write_sRGB PNGARG((png_structp png_ptr,
 PNG_EXTERN void png_write_iCCP PNGARG((png_structp png_ptr,
    png_charp name, int compression_type,
    png_charp profile, int proflen));
+   /* Note to maintainer: profile should be png_bytep */
 #endif
 
 #if defined(PNG_WRITE_sPLT_SUPPORTED)
@@ -2996,6 +3003,13 @@ PNG_EXTERN void png_push_read_iTXt PNGARG((png_structp png_ptr,
 
 #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 
+#ifdef PNG_MNG_FEATURES_SUPPORTED
+PNG_EXTERN void png_do_read_intrapixel PNGARG((png_row_infop row_info,
+   png_bytep row));
+PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info,
+   png_bytep row));
+#endif
+
 #endif /* PNG_INTERNAL */
 
 #ifdef __cplusplus
diff --git a/pngasmrd.h b/pngasmrd.h
index 5cb21557..a0d50169 100644
--- a/pngasmrd.h
+++ b/pngasmrd.h
@@ -1,6 +1,6 @@
 /* pngasmrd.h - assembler version of utilities to read a PNG file
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1999, 2000 Glenn Randers-Pehrson
  *
diff --git a/pngconf.h b/pngconf.h
index 9364e500..b48c41a9 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,6 +1,6 @@
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngerror.c b/pngerror.c
index bc6920bd..00668fbd 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pnggccrd.c b/pnggccrd.c
index b7c89bee..9b8eecc3 100644
--- a/pnggccrd.c
+++ b/pnggccrd.c
@@ -6,7 +6,7 @@
  *     and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
  *     for Intel's performance analysis of the MMX vs. non-MMX code.
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation
diff --git a/pngget.c b/pngget.c
index d61eac6c..edfc8eae 100644
--- a/pngget.c
+++ b/pngget.c
@@ -1,7 +1,7 @@
 
 /* pngget.c - retrieval of values from info struct
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngmem.c b/pngmem.c
index 3c7d82fd..336c4f3e 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@
 
 /* pngmem.c - stub functions for memory allocation
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngpread.c b/pngpread.c
index 3a4d4967..5766b37f 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngread.c b/pngread.c
index 98178bd9..b2ced9b9 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -646,6 +646,15 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
 
    png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf,
       png_ptr->rowbytes + 1);
+   
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
+   if((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
+      (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
+   {
+      /* Intrapixel differencing */
+      png_do_read_intrapixel(&(png_ptr->row_info), png_ptr->row_buf + 1);
+   }
+#endif
 
    if (png_ptr->transformations)
       png_do_read_transformations(png_ptr);
@@ -701,7 +710,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
  * not called png_set_interlace_handling(), the display_row buffer will
  * be ignored, so pass NULL to it.
  *
- * [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta4
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta5
  */
 
 void PNGAPI
@@ -750,7 +759,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
  * only call this function once.  If you desire to have an image for
  * each pass of a interlaced image, use png_read_rows() instead.
  *
- * [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta4
+ * [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta5
  */
 void PNGAPI
 png_read_image(png_structp png_ptr, png_bytepp image)
diff --git a/pngrio.c b/pngrio.c
index b28529ff..c7028275 100644
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@
 
 /* pngrio.c - functions for data input
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngrtran.c b/pngrtran.c
index 845d0efd..9064b483 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -4053,3 +4053,63 @@ png_build_gamma_table(png_structp png_ptr)
 /* To do: install integer version of png_build_gamma_table here */
 #endif
 
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
+/* undoes intrapixel differencing  */
+void /* PRIVATE */
+png_do_read_intrapixel(png_row_infop row_info, png_bytep row)
+{
+   png_debug(1, "in png_do_read_intrapixel\n");
+   if (
+#if defined(PNG_USELESS_TESTS_SUPPORTED)
+       row != NULL && row_info != NULL &&
+#endif
+       (row_info->color_type & PNG_COLOR_MASK_COLOR))
+   {
+      int bytes_per_pixel;
+      png_uint_32 row_width = row_info->width;
+      if (row_info->bit_depth == 8)
+      {
+         png_bytep rp;
+         png_uint_32 i;
+
+         if (row_info->color_type == PNG_COLOR_TYPE_RGB)
+            bytes_per_pixel = 3;
+         else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
+            bytes_per_pixel = 4;
+         else
+            return;
+
+         for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
+         {
+            *(rp) = (png_byte)((256 + *rp + *(rp+1))&0xff);
+            *(rp+2) = (png_byte)((256 + *(rp+2) + *(rp+1))&0xff);
+         }
+      }
+      else if (row_info->bit_depth == 16)
+      {
+         png_bytep rp;
+         png_uint_32 i;
+
+         if (row_info->color_type == PNG_COLOR_TYPE_RGB)
+            bytes_per_pixel = 6;
+         else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
+            bytes_per_pixel = 8;
+         else
+            return;
+
+         for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
+         {
+            png_uint_32 s0=*(rp  )<<8 | *(rp+1);
+            png_uint_32 s1=*(rp+2)<<8 | *(rp+3);
+            png_uint_32 s2=*(rp+4)<<8 | *(rp+5);
+            png_uint_32 red=(65536+s0+s1)&0xffff;
+            png_uint_32 blue=(65536+s2+s1)&0xffff;
+            *(rp  ) = (png_byte)((red>>8)&0xff);
+            *(rp+1) = (png_byte)(red&0xff);
+            *(rp+4) = (png_byte)((blue>>8)&0xff);
+            *(rp+5) = (png_byte)(blue&0xff);
+         }
+      }
+   }
+}
+#endif /* PNG_MNG_FEATURES_SUPPORTED */
diff --git a/pngrutil.c b/pngrutil.c
index 7e42af53..715c20df 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -353,7 +353,14 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    if (compression_type != PNG_COMPRESSION_TYPE_BASE)
       png_error(png_ptr, "Unknown compression method in IHDR");
 
-   if (filter_type != PNG_FILTER_TYPE_BASE)
+   if(
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
+      !((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
+      (filter_type == PNG_INTRAPIXEL_DIFFERENCING) &&
+      (color_type == PNG_COLOR_TYPE_RGB || 
+       color_type == PNG_COLOR_TYPE_RGB_ALPHA)) &&
+#endif
+      filter_type != PNG_FILTER_TYPE_BASE)
       png_error(png_ptr, "Unknown filter method in IHDR");
 
    /* set internal variables */
@@ -362,6 +369,7 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
    png_ptr->bit_depth = (png_byte)bit_depth;
    png_ptr->interlaced = (png_byte)interlace_type;
    png_ptr->color_type = (png_byte)color_type;
+   png_ptr->filter_type = (png_byte)filter_type;
 
    /* find number of channels */
    switch (png_ptr->color_type)
diff --git a/pngset.c b/pngset.c
index 4f91b528..b8b0589c 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngtest.c b/pngtest.c
index 8c45868f..af54813e 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1,7 +1,7 @@
 
 /* pngtest.c - a simple test program to test libpng
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1449,4 +1449,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_9beta4 your_png_h_is_not_version_1_0_9beta4;
+typedef version_1_0_9beta5 your_png_h_is_not_version_1_0_9beta5;
diff --git a/pngtrans.c b/pngtrans.c
index 557975e8..3e40074a 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)
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -606,3 +606,4 @@ png_get_user_transform_ptr(png_structp png_ptr)
    return (NULL);
 #endif
 }
+
diff --git a/pngvcrd.c b/pngvcrd.c
index a15bf66a..fdc3d3f9 100644
--- a/pngvcrd.c
+++ b/pngvcrd.c
@@ -2,7 +2,7 @@
  *
  * For Intel x86 CPU and Microsoft Visual C++ compiler
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation
diff --git a/pngwio.c b/pngwio.c
index 52a52588..8baacea8 100644
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@
 
 /* pngwio.c - functions for data output
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwrite.c b/pngwrite.c
index 9f48b44e..f1f1d3a2 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
 
 /* pngwrite.c - general routines to write a PNG file
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -773,6 +773,15 @@ png_write_row(png_structp png_ptr, png_bytep row)
    if (png_ptr->transformations)
       png_do_write_transformations(png_ptr);
 
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
+   if((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
+      (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
+   {
+      /* Intrapixel differencing */
+      png_do_write_intrapixel(&(png_ptr->row_info), png_ptr->row_buf + 1);
+   }
+#endif
+
    /* Find a filter if necessary, filter the row and write it out. */
    png_write_find_filter(png_ptr, &(png_ptr->row_info));
 
diff --git a/pngwtran.c b/pngwtran.c
index 8da3dad1..5dd7007e 100644
--- a/pngwtran.c
+++ b/pngwtran.c
@@ -1,7 +1,7 @@
 
 /* pngwtran.c - transforms the data in a row for PNG writers
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -498,3 +498,64 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
    }
 }
 #endif
+
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
+/* undoes intrapixel differencing  */
+void /* PRIVATE */
+png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
+{
+   png_debug(1, "in png_do_write_intrapixel\n");
+   if (
+#if defined(PNG_USELESS_TESTS_SUPPORTED)
+       row != NULL && row_info != NULL &&
+#endif
+       (row_info->color_type & PNG_COLOR_MASK_COLOR))
+   {
+      int bytes_per_pixel;
+      png_uint_32 row_width = row_info->width;
+      if (row_info->bit_depth == 8)
+      {
+         png_bytep rp;
+         png_uint_32 i;
+
+         if (row_info->color_type == PNG_COLOR_TYPE_RGB)
+            bytes_per_pixel = 3;
+         else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
+            bytes_per_pixel = 4;
+         else
+            return;
+
+         for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
+         {
+            *(rp)   = (png_byte)((*rp     - *(rp+1))&0xff);
+            *(rp+2) = (png_byte)((*(rp+2) - *(rp+1))&0xff);
+         }
+      }
+      else if (row_info->bit_depth == 16)
+      {
+         png_bytep rp;
+         png_uint_32 i;
+
+         if (row_info->color_type == PNG_COLOR_TYPE_RGB)
+            bytes_per_pixel = 6;
+         else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
+            bytes_per_pixel = 8;
+         else
+            return;
+
+         for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
+         {
+            png_uint_32 s0=*(rp  )<<8 | *(rp+1);
+            png_uint_32 s1=*(rp+2)<<8 | *(rp+3);
+            png_uint_32 s2=*(rp+4)<<8 | *(rp+5);
+            png_uint_32 red=(s0-s1)&0xffff;
+            png_uint_32 blue=(s2-s1)&0xffff;
+            *(rp  ) = (png_byte)((red>>8)&0xff);
+            *(rp+1) = (png_byte)(red&0xff);
+            *(rp+4) = (png_byte)((blue>>8)&0xff);
+            *(rp+5) = (png_byte)(blue&0xff);
+         }
+      }
+   }
+}
+#endif /* PNG_MNG_FEATURES_SUPPORTED */
diff --git a/pngwutil.c b/pngwutil.c
index d3415f5d..4d669da7 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * libpng 1.0.9beta4 - December 1, 2000
+ * libpng 1.0.9beta5 - December 15, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -419,7 +419,12 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
       compression_type = PNG_COMPRESSION_TYPE_BASE;
    }
 
-   if (filter_type != PNG_FILTER_TYPE_BASE)
+   if (
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
+      !((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
+      (filter_type == PNG_INTRAPIXEL_DIFFERENCING)) &&
+#endif
+      filter_type != PNG_FILTER_TYPE_BASE)
    {
       png_warning(png_ptr, "Invalid filter type specified");
       filter_type = PNG_FILTER_TYPE_BASE;
@@ -440,6 +445,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
    png_ptr->bit_depth = (png_byte)bit_depth;
    png_ptr->color_type = (png_byte)color_type;
    png_ptr->interlaced = (png_byte)interlace_type;
+   png_ptr->filter_type = (png_byte)filter_type;
    png_ptr->width = width;
    png_ptr->height = height;
 
diff --git a/projects/msvc/README.txt b/projects/msvc/README.txt
index 9be4b883..debd2dd6 100644
--- a/projects/msvc/README.txt
+++ b/projects/msvc/README.txt
@@ -1,5 +1,5 @@
 Microsoft Developer Studio Build File, Format Version 6.00 for
-libpng 1.0.9beta4 (December 1, 2000) and zlib
+libpng 1.0.9beta5 (December 15, 2000) and zlib
 
 Copyright (C) 2000 Simon-Pierre Cadieux
 For conditions of distribution and use, see copyright notice in png.h
diff --git a/projects/msvc/png32ms.def b/projects/msvc/png32ms.def
index 4c6c18cf..cc853328 100644
--- a/projects/msvc/png32ms.def
+++ b/projects/msvc/png32ms.def
@@ -6,7 +6,7 @@ LIBRARY
 DESCRIPTION "PNG image compression library for Windows"
 
 EXPORTS
-;Version 1.0.9beta4
+;Version 1.0.9beta5
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3
diff --git a/projects/wince/READMEE.WCE b/projects/wince/READMEE.WCE
index 49da5550..5af7b646 100644
--- a/projects/wince/READMEE.WCE
+++ b/projects/wince/READMEE.WCE
@@ -8,9 +8,9 @@ libpng for WindowsCE Rel.1.0
 
 Introduction
 ============
-This is libpng 1.0.9beta4 ported to WindowsCE 2.0 and 2.11.
-libpng 1.0.9beta4 is a PNG reference library.
-See README, a document of original libpng 1.0.9beta4.
+This is libpng 1.0.9beta5 ported to WindowsCE 2.0 and 2.11.
+libpng 1.0.9beta5 is a PNG reference library.
+See README, a document of original libpng 1.0.9beta5.
 
 zlib for WindowsCE
 ==================
@@ -23,7 +23,7 @@ This software is provided 'as-is', without any express or implied
 warranty.  In no event will the authors be held liable for any damages
 arising from the use of this software.
 
-See README and LICENSE, documents of original libpng 1.0.9beta4, for conditions
+See README and LICENSE, documents of original libpng 1.0.9beta5, for conditions
 of use and distribution.
 
 Files
diff --git a/projects/wince/READMEJ.WCE b/projects/wince/READMEJ.WCE
index 918dc821..87e10e03 100644
--- a/projects/wince/READMEJ.WCE
+++ b/projects/wince/READMEJ.WCE
@@ -24,7 +24,7 @@ libpng
 になったいかなる被害についても、作者、配布者、その他利用者以外の人物、
 団体に責任をとる義務はないものとします。
 
-その他、このソフトウェアの利用条件については、原版である libpng 1.0.9beta4に
+その他、このソフトウェアの利用条件については、原版である libpng 1.0.9beta5に
 準拠するものとします。詳しくは、付属の README,LICENSE をお読みください。
 
 収録内容
diff --git a/projects/wince/png32ce.def b/projects/wince/png32ce.def
index ee8a6843..2793799d 100644
--- a/projects/wince/png32ce.def
+++ b/projects/wince/png32ce.def
@@ -5,7 +5,7 @@
 LIBRARY lpngce
 
 EXPORTS
-;Version 1.0.9beta4
+;Version 1.0.9beta5
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 91f0c14c..5ca4286e 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -18,7 +18,7 @@ RM = rm -f
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index f54169e8..928eb3a3 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -31,7 +31,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # where make install puts libpng.a, libpng.so*, and png.h
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 18c87057..f39a11fb 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -38,7 +38,7 @@ CFLAGS=-I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(PNGMAJ).dll
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 6893bc15..41e118ee 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -17,7 +17,7 @@ ZLIBINC=../zlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=cc
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index 6a295a2e..6983cd1d 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -37,7 +37,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index 89bb5329..3445bc49 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # where make install puts libpng.a and png.h
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index f17f6483..8e524a14 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -34,7 +34,7 @@ RANLIB=ranlib
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 894ca88d..15bfa36e 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -25,7 +25,7 @@ RANLIB=echo
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index a2af909b..08e4cb79 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -19,8 +19,8 @@ CFLAGS=-I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32 # -g -DPNG_DEBUG=5
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 LDSHARED=gcc -shared
 
-VER=1.0.9beta4
-LIBS=libpng.so.1.0.9beta4
+VER=1.0.9beta5
+LIBS=libpng.so.1.0.9beta5
 SHAREDLIB=libpng.so
 libdir=$(prefix)/lib32
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index e78d00ae..c00472f7 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -31,7 +31,7 @@ RANLIB=echo
 # read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
 # have to change it.
 PNGMAJ = 2
-PNGMIN = 1.0.9beta4
+PNGMIN = 1.0.9beta5
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
diff --git a/scripts/pngdef.pas b/scripts/pngdef.pas
index 875cfb4d..707f96b0 100644
--- a/scripts/pngdef.pas
+++ b/scripts/pngdef.pas
@@ -5,7 +5,7 @@ unit pngdef;
 interface
 
 const
-  PNG_LIBPNG_VER_STRING = '1.0.9beta4';
+  PNG_LIBPNG_VER_STRING = '1.0.9beta5';
   PNG_LIBPNG_VER        =  10009;
 
 type