Libpng 1.5.16 - May 23, 2013

This is a public release of libpng, intended for use in production codes.

Files available for download:

Source files with LF line endings (for Unix/Linux) and with a
"configure" script

   libpng-1.5.16.tar.xz (LZMA-compressed, recommended)
   libpng-1.5.16.tar.gz
   libpng-1.5.16.tar.bz2

Source files with CRLF line endings (for Windows), without the
"configure" script

   lpng1516.7z  (LZMA-compressed, recommended)
   lpng1516.zip

Other information:

   libpng-1.5.16-README.txt
   libpng-1.5.16-LICENSE.txt

Changes since the last public release (1.5.15):

  Corrected a misplaced closing bracket in contrib/libtests/pngvalid.c
    (Flavio Medeiros).
  Revised stack marking in arm/filter_neon.S and configure.ac
  Ensure that NEON filter stuff is completely disabled when switched 'off'.
    Previously the ARM NEON specific files were still built if the option
    was switched 'off' as opposed to being explicitly disabled.
  Avoid a compiler warning about unused png_ptr in translate_gamma_flags()
  Revise pngtest.c to skip tests of unsupported features.
  Test for 'arm*' not just 'arm' in the host_cpu configure variable.
  Rebuilt the configure scripts.
  Expanded manual paragraph about writing private chunks, particularly
    the need to call png_set_keep_unknown_chunks() when writing them.
  Updated contrib/pngminus/pnm2png.c (Paul Stewart):
    Check for EOF
    Ignore "#" delimited comments in input file to pnm2png.c.
    Fixed whitespace handling
    Added a call to png_set_packing()
    Initialize dimension values so if sscanf fails at least we have known
      invalid values.
  Allow contrib/pnminus/pnm2png.c to compile without WRITE_INVERT and WRITE_PACK
    supported (writes error message that it can't read P1 or P4 PBM files).
  Revised contrib/pngminim/*/makefile to separate CPPFLAGS and CFLAGS, and
    to generate pnglibconf.h with the right zlib header files.
  Ported contrib/pngminus/pnm2png.c changes back from libpng-1.6.3beta06,
    to use unsigned long, not png_uint_32 arguments to sscanf().

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