198 lines
9.1 KiB
Plaintext
198 lines
9.1 KiB
Plaintext
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Libpng 1.5.0beta20 - April 24, 2010
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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1.5.0beta20.tar.xz (LZMA-compressed, recommended)
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1.5.0beta20.tar.gz
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1.5.0beta20.tar.bz2
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lp150b20.zip
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lp150b20.7z
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Other information:
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1.5.0beta20-README.txt
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1.5.0beta20-LICENSE.txt
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Changes since the last public release (1.4.1):
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version 1.5.0beta01 [February 7, 2010]
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Moved declaration of png_struct into private pngstruct.h and png_info
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into pnginfo.h
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version 1.5.0beta02 [February 7, 2010]
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Reverted to original png_push_save_buffer() code.
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version 1.5.0beta03 [February 8, 2010]
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Return allocated "old_buffer" in png_push_save_buffer() before
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calling png_error().
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Updated configure script to use SO number 15.
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version 1.5.0beta04 [February 9, 2010]
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Removed malformed "incomplete struct declaration" of png_info from png.h
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version 1.5.0beta05 [February 12, 2010]
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Removed PNG_DEPSTRUCT markup in pngstruct.h and pnginfo.h, and undid the
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linewrapping that it entailed.
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Revised comments in pngstruct.h and pnginfo.h and added pointers to
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the libpng license.
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Changed PNG_INTERNAL to PNG_EXPOSE_INTERNAL_STRUCTURES
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Removed the cbuilder5 project, which has not been updated to 1.4.0.
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version 1.4.1beta12 and 1.5.0beta06 [February 14, 2010]
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Fixed type declaration of png_get_chunk_malloc_max() in pngget.c (Daisuke
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Nishikawa)
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version 1.5.0beta07 [omitted]
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version 1.5.0beta08 [February 19, 2010]
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Changed #ifdef PNG_NO_STDIO_SUPPORTED to #ifdef PNG_NO_CONSOLE_IO_SUPPORTED
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wherever png_snprintf() is used to construct error and warning messages.
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Noted in scripts/makefile.mingw that it expects to be run under MSYS.
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Removed obsolete unused MMX-querying support from contrib/gregbook
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Added exported png_longjmp() function.
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Removed the AIX redefinition of jmpbuf in png.h
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Added -D_ALLSOURCE in configure.ac, makefile.aix, and CMakeLists.txt
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when building on AIX.
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version 1.5.0beta09 [February 19, 2010]
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Removed -D_ALLSOURCE from configure.ac, makefile.aix, and CMakeLists.txt.
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Changed the name of png_ptr->jmpbuf to png_ptr->png_jmpbuf in pngstruct.h
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version 1.5.0beta10 [February 25, 2010]
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Removed unused gzio.c from contrib/pngminim gather and makefile scripts
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Removed replacement error handlers from contrib/gregbook. Because of
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the new png_longjmp() function they are no longer needed.
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version 1.5.0beta11 [March 6, 2010]
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Removed checking for already-included setjmp.h from pngconf.h
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Fixed inconsistent indentations and made numerous cosmetic changes.
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version 1.5.0beta12 [March 9, 2010]
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Moved "#include png.h" inside pngpriv.h and removed "#include png.h" from
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the source files, along with "#define PNG_EXPOSE_INTERNAL_STRUCTURES"
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and "#define PNG_NO_PEDANTIC_WARNINGS" (John Bowler).
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Created new pngdebug.h and moved debug definitions there.
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version 1.5.0beta13 [March 10, 2010]
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Protect pngstruct.h, pnginfo.h, and pngdebug.h from being included twice.
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Revise the "#ifdef" blocks in png_inflate() so it will compile when neither
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PNG_USER_CHUNK_MALLOC_MAX nor PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
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is defined.
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Removed unused png_measure_compressed_chunk() from pngpriv.h and libpngpf.3
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Moved the 'config.h' support from pngconf.h to pngpriv.h
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Removed PNGAPI from the png_longjmp_ptr typedef.
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Eliminated dependence of pngtest.c on the private pngdebug.h file.
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Make all png_debug macros into *unterminated* statements or
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expressions (i.e. a trailing ';' must always be added) and correct
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the format statements in various png_debug messages.
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version 1.5.0beta14 [March 14, 2010]
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Removed direct access to png_ptr->io_ptr from the Windows code in pngtest.c
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Revised Makefile.am to account for recent additions and replacements.
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Corrected CE and OS/2 DEF files (scripts/png*def) for symbols removed and
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added ordinal numbers to the Windows DEF file and corrected the duplicated
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ordinal numbers on CE symbols that are commented out.
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Added back in export symbols that can be present in the Windows build but
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are disabled by default.
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PNG_EXPORT changed to include an 'ordinal' field for DEF file generation.
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PNG_CALLBACK added to make callback definitions uniform. PNGAPI split
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into PNGCAPI (base C form), PNGAPI (exports) and PNGCBAPI (callbacks),
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and appropriate changes made to all files. Cygwin builds re-hinged to
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allow procedure call standard changes and to remove the need for the DEF
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file (fixes build on Cygwin).
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Enabled 'attribute' warnings that are relevant to library APIs and callbacks.
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Changed rules for generation of the various symbol files and added a new
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rule for a DEF file (which is also added to the distribution).
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Updated the symbol file generation to stop it adding spurious spaces
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to EOL (coming from preprocessor macro expansion). Added a facility
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to join tokens in the output and rewrite *.dfn to use this.
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Eliminated scripts/*.def in favor of libpng.def; updated projects/visualc71
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and removed scripts/makefile.cygwin.
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Made PNG_BUILD_DLL safe: it can be set whenever a DLL is being built.
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Removed the include of sys/types.h - apparently unnecessary now on the
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platforms on which it happened (all but Mac OS and RISC OS).
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Moved the Mac OS test into pngpriv.h (the only place it is used.)
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version 1.5.0beta15 [March 17, 2010]
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Added symbols.chk target to Makefile.am to validate the symbols in png.h
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against the new DEF file scripts/symbols.def.
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Changed the default DEF file back to pngwin.def.
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Removed makefile.mingw.
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Eliminated PNG_NO_EXTERN and PNG_ALL_EXTERN
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version 1.5.0beta16 [April 1, 2010]
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Made png_text_struct independent of PNG_iTXt_SUPPORTED, so that
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fields are initialized in all configurations. The READ/WRITE
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macros (PNG_(READ|WRITE)_iTXt_SUPPORTED) still function as
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before to disable code to actually read or write iTXt chunks
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and iTXt_SUPPORTED can be used to detect presence of either
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read or write support (but it is probably better to check for
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the one actually required - read or write.)
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Combined multiple png_warning() calls for a single error.
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Restored the macro definition of png_check_sig().
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version 1.5.0beta17 [April 17, 2010]
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Documented the fact that png_set_dither() was disabled since libpng-1.4.0.
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Reenabled png_set_dither() but renamed it to png_set_quantize() to reflect
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more accurately what it actually does. At the same time, renamed
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the PNG_DITHER_[RED,GREEN_BLUE]_BITS macros to
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PNG_QUANTIZE_[RED,GREEN,BLUE]_BITS.
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Added some "(long)" typecasts to printf calls in png_handle_cHRM().
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Freeze build-time only configuration in the build.
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In all prior versions of libpng most configuration options
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controlled by compiler #defines had to be repeated by the
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application code that used libpng. This patch changes this
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so that compilation options that can only be changed at build
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time are frozen in the build. Options that are compiler
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dependent (and those that are system dependent) are evaluated
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each time - pngconf.h holds these. Options that can be changed
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per-file in the application are in png.h. Frozen options are
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in the new installed header file pnglibconf.h (John Bowler)
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Removed the xcode project because it has not been updated to work
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with libpng-1.5.0.
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version 1.5.0beta18 [April 17, 2010]
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Restored the ability to include optional pngusr.h
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Moved replacements for png_error() and png_warning() from the
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contrib/pngminim project to pngerror.c, for use when warnings or
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errors are disabled via PNG_NO_WARN or PNG_NO_ERROR_TEXT, to avoid
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storing unneeded error/warning text.
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Updated contrib/pngminim project to work with the new pnglibconf.h
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Added some PNG_NO_* defines to contrib/pngminim/*/pngusr.h to save space.
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version 1.5.0beta19 [April 24, 2010]
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Added PNG_{READ,WRITE}_INT_FUNCTIONS_SUPPORTED. This allows the functions
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to read and write ints to be disabled independently of PNG_USE_READ_MACROS,
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which allows libpng to be built with the functions even though the default
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is to use the macros - this allows applications to choose at app build
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time whether or not to use macros (previously impossible because the
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functions weren't in the default build.)
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Changed Windows calling convention back to __cdecl for API functions.
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For Windows/x86 platforms only:
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__stdcall is no longer needed for Visual Basic, so libpng-1.5.0 uses
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__cdecl throughout (both API functions and callbacks) on Windows/x86
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platforms.
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Replaced visualc6 and visualc71 projects with new vstudio project
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Relaxed the overly-restrictive permissions of some files.
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version 1.5.0beta20 [April 24, 2010]
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Relaxed more overly-restrictive permissions of some files.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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to subscribe) or to glennrp at users.sourceforge.net
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Glenn R-P
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