Imported from libpng-1.0.9beta2.tar

CHANGES

@@ -379,7 +379,7 @@ version 1.0.2a [December 30, 1998]
   Changed "ln -sf" to "ln -s -f" in makefile.s2x, makefile.lnx, and makefile.sco.
   Removed lines after Dynamic Dependencies" in makefile.aco .
   Revised makefile.dec to make a shared library (Jeremie Petit).
-  Removed trailing blanks from all files.
+  Removed trailing blanks from all files. 
 version 1.0.2a [January 6, 1999]
   Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h
   Added "if" tests to silence complaints about unused png_ptr in png.h and png.c
@@ -718,7 +718,7 @@ version 1.0.6i [May 2, 2000]
     the high-level interface, and unknown chunks support (all new in 1.0.6).
     This was necessary because of old applications that allocate the structs
     directly as authors were instructed to do in libpng-0.88 and earlier,
-    instead of using png_create_*().
+    instead of using png_create_*(). 
   Added modes PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT which
     can be used to detect codes that directly allocate the structs, and
     code to check these modes in png_read_init() and png_write_init() and
@@ -798,6 +798,7 @@ version 1.0.7rc2 [June 28, 2000]
   Fixed "DJBPP" typo in pnggccrd.c introduced in beta18.
 version 1.0.7 [July 1, 2000]
   Revised the definition of "trans_values" in libpng.3/libpng.txt
+version 1.0.9beta2 [November 19, 2000]
 version 1.0.8beta1 [July 8, 2000]
   Added png_free(png_ptr, key) two places in pngpread.c to stop memory leaks.
   Changed PNG_NO_STDIO to PNG_NO_CONSOLE_IO, several places in pngrutil.c and
@@ -847,41 +848,6 @@ version 1.0.9beta2 [November 19, 2000]
   Added borland project files to "projects" subdirectory.
   Set VS_FF_PRERELEASE and VS_FF_PATCHED flags in msvc/png.rc when appropriate.
   Add error message in png_set_compression_buffer_size() when malloc fails.
-version 1.0.9beta3 [November 23, 2000]
-  Revised PNG_LIBPNG_BUILD_TYPE macro in png.h, used in the msvc project.
-  Removed the png_flush() in pngwrite.c that crashes some applications
-    that don't set png_output_flush_fn.
-  Added makefile.macosx and makefile.aix to scripts directory.
-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)
-version 1.0.9beta6 [December 18, 2000]
-  Revised png_set_filter() to accept filter method 64 when appropriate.
-  Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to
-    help prevent applications from using MNG features in PNG datastreams.
-  Revised libpng.3/libpng.txt.  Changed "filter type" to "filter method".
-version 1.0.9rc1 [December 23, 2000]
-  Revised test for PNG_HAVE_PNG_SIGNATURE in pngrutil.c
-  Fixed error handling of unknown compression type in png_decompress_chunk().
-  In pngconf.h, define __cdecl when _MSC_VER is defined.
-version 1.0.9beta7 [December 28, 2000]
-  Changed PNG_TEXT_COMPRESSION_zTXt to PNG_COMPRESSION_TYPE_BASE several places.
-  Revised memory management in png_set_hIST and png_handle_hIST in a backward
-    compatible manner.  PLTE and tRNS were revised similarly.
-  Revised the iCCP chunk reader to ignore trailing garbage.
-version 1.0.9beta8 [January 12, 2001]
-  Moved pngasmrd.h into pngconf.h.
-  Improved handling of out-of-spec garbage iCCP chunks generated by PhotoShop.
-version 1.0.9beta9 [January 15, 2001]
-  Added png_set_invalid, png_permit_mng_features, and png_mmx_supported to
-    wince and msvc project module definition files.
-  Minor revision of makefile.cygwin.
-  Fixed bug with progressive reading of narrow interlaced images in pngpread.c
-version 1.0.9beta10 [January 16, 2001]
-  Do not typedef png_FILE_io in pngconf.h when PNG_NO_STDIO is defined.
-  Fixe "png_mmx_supported" typo in project definition files 
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu