Libpng 1.6.23beta01 - May 29, 2016

This is not intended to be a public release.  It will be replaced
within a few weeks by a public version or by another test version.

Files available for download:

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

   1.6.23beta01.tar.xz (LZMA-compressed, recommended)
   1.6.23beta01.tar.gz

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

   lp1623b01.7z  (LZMA-compressed, recommended)
   lp1623b01.zip

Other information:

   1.6.23beta01-README.txt
   1.6.23beta01-LICENSE.txt
   libpng-1.6.23beta01-*.asc (armored detached GPG signatures)

Changes since the last public release (1.6.22):

Version 1.6.23beta01 [May 29, 2016]
  Stop a potential memory leak in png_set_tRNS() (Bug report by Ted Ying).
  Fixed the progressive reader to handle empty first IDAT chunk properly
    (patch by Timothy Nikkel).  This bug was introduced in libpng-1.6.0 and
    only affected the libpng16 branch.
  Added tests in pngvalid.c to check zero-length IDAT chunks in various
    positions.  Fixed the sequential reader to handle these more robustly
    (John Bowler).

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or to glennrp at users.sourceforge.net

Glenn R-P