Libpng 1.4.13 - February 6, 2014

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-1.4.13.tar.xz (LZMA-compressed, recommended)
   libpng-1.4.13.tar.gz
   libpng-1.4.13.tar.bz2

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

   lpng1413.7z (LZMA-compressed, recommended)
   lpng1413.zip

Other information:

   libpng-1.4.13-README.txt
   libpng-1.4.13-LICENSE.txt
   libpng-1.4.13-*.asc (PGP armored detached signatures)

Changes since the last public release (1.4.12):

  Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
  Removed references to png_zalloc() and png_zfree() from the manual.
  Ignore, with a warning, out-of-range value of num_trans in png_set_tRNS().
  Replaced AM_CONFIG_HEADER(config.h) with AC_CONFIG_HEADERS([config.h])
    in configure.ac
  Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.
  Avoid a possible memory leak in contrib/gregbook/readpng.c
  Removed a redundant test from png_set_IHDR().
  Revised libpng.3 so that "doclifter" can process it.
  Changed '"%s"m' to '"%s" m' in png_debug macros to improve portability
    among compilers.
  Rebuilt the configure scripts with autoconf-2.69 and automake-1.14.1
  Removed potentially misleading warning from png_check_IHDR().
  Quiet set-but-not-used warnings in pngset.c
  Quiet an uninitialized memory warning from VC2013 in png_get_png().

Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement).

Glenn R-P