Libpng 1.4.20 - December 29, 2016

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-1.4.20.tar.xz (LZMA-compressed, recommended)
   libpng-1.4.20.tar.gz

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

   lpng1420.7z (LZMA-compressed, recommended)
   lpng1420.zip

Other information:

   libpng-1.4.20-README.txt
   libpng-1.4.20-LICENSE.txt
   libpng-1.4.20-*.asc (armored detached GPG signatures)

Changes since the last public release (1.4.19):

  Fix typos in libpng.3 synopses (Eric S. Raymond).
  Fixed undefined behavior in png_push_save_buffer(). Do not call
    memcpy() with a null source, even if count is zero (Leon Scroggins III).
  Fixed a potential null pointer dereference in png_set_text_2() (bug report
    and patch by Patrick Keshishian).

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