Imported from libpng-1.2.8beta5.tar
diff --git a/png.h b/png.h
index 77de749..452a1a4 100644
--- a/png.h
+++ b/png.h
@@ -1,6 +1,6 @@
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.8beta4 - November 13, 2004
+ * libpng version 1.2.8beta5 - November 20, 2004
  * Copyright (c) 1998-2004 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.)
@@ -8,7 +8,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.2.8beta4 - November 13, 2004: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.8beta5 - November 20, 2004: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -106,7 +106,7 @@
  *    1.2.7rc1                13    10207  12.so.0.1.2.7rc1
  *    1.0.17                  10    10017  12.so.0.1.0.17
  *    1.2.7                   13    10207  12.so.0.1.2.7
- *    1.2.8beta1-3            13    10208  12.so.0.1.2.8beta1-3
+ *    1.2.8beta1-5            13    10208  12.so.0.1.2.8beta1-5
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -136,7 +136,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.8beta4, November 13, 2004, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.8beta5, November 20, 2004, are
  * Copyright (c) 2004 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:
@@ -248,13 +248,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    November 13, 2004
+ *    November 20, 2004
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
  *
  *    This is your unofficial assurance that libpng from version 0.71 and
- *    upward through 1.2.8beta4 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.8beta5 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
@@ -310,9 +310,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.8beta4"
+#define PNG_LIBPNG_VER_STRING "1.2.8beta5"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.8beta4 - November 13, 2004 (header)\n"
+   " libpng version 1.2.8beta5 - November 20, 2004 (header)\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -324,16 +324,22 @@
 /* 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
 
+/* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
 #define PNG_LIBPNG_BUILD_BETA     2
 #define PNG_LIBPNG_BUILD_RC       3
 #define PNG_LIBPNG_BUILD_STABLE   4
-#define PNG_LIBPNG_BUILD_TYPEMASK 7
-#define PNG_LIBPNG_BUILD_PATCH    8 /* Can be OR'ed with STABLE only */
-#define PNG_LIBPNG_BUILD_PRIVATE 16
-#define PNG_LIBPNG_BUILD_SPECIAL 32
+#define PNG_LIBPNG_BUILD_RELEASE_STATUS_MASK 7
+  
+/* Release-Specific Flags */
+#define PNG_LIBPNG_BUILD_PATCH    8 /* Can be OR'ed with
+                                       PNG_LIBPNG_BUILD_STABLE only */
+#define PNG_LIBPNG_BUILD_PRIVATE 16 /* Cannot be OR'ed with
+                                       PNG_LIBPNG_BUILD_SPECIAL */
+#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
+                                       PNG_LIBPNG_BUILD_PRIVATE */
 
 /* Careful here.  At one time, Guy wanted to use 082, but that would be octal.
  * We must not include leading zeros.
@@ -1317,7 +1323,7 @@
 /* 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_2_8beta4;
+typedef png_structp version_1_2_8beta5;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -2583,7 +2589,14 @@
 #define PNG_RGB_TO_GRAY_ERR  0x200000L
 #define PNG_RGB_TO_GRAY_WARN 0x400000L
 #define PNG_RGB_TO_GRAY      0x600000L  /* two bits, RGB_TO_GRAY_ERR|WARN */
+                       /*    0x800000L     Unused */
 #define PNG_ADD_ALPHA       0x1000000L  /* Added to libpng-1.2.7 */
+                       /*   0x2000000L  unused */
+                       /*   0x4000000L  unused */
+                       /*   0x8000000L  unused */
+                       /*  0x10000000L  unused */
+                       /*  0x20000000L  unused */
+                       /*  0x40000000L  unused */
 
 /* flags for png_create_struct */
 #define PNG_STRUCT_PNG   0x0001
@@ -2617,6 +2630,16 @@
 #define PNG_FLAG_STRIP_ERROR_NUMBERS      0x40000L
 #define PNG_FLAG_STRIP_ERROR_TEXT         0x80000L
 #define PNG_FLAG_MALLOC_NULL_MEM_OK       0x100000L
+#define PNG_FLAG_ADD_ALPHA                0x200000L  /* Added to libpng-1.2.8 */
+#define PNG_FLAG_STRIP_ALPHA              0x400000L  /* Added to libpng-1.2.8 */
+                                  /*      0x800000L  unused */
+                                  /*     0x1000000L  unused */
+                                  /*     0x2000000L  unused */
+                                  /*     0x4000000L  unused */
+                                  /*     0x8000000L  unused */
+                                  /*    0x10000000L  unused */
+                                  /*    0x20000000L  unused */
+                                  /*    0x40000000L  unused */
 
 #define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \
                                      PNG_FLAG_CRC_ANCILLARY_NOWARN)
@@ -3092,7 +3115,7 @@
 #if defined(PNG_WRITE_FILLER_SUPPORTED) || \
     defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
 PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
-   png_bytep row, png_uint_32 flags, png_uint_32 transformations));
+   png_bytep row, png_uint_32 flags));
 #endif
 
 #if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)