Libpng 1.6.26beta01 - September 26, 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

   1.6.26beta01.tar.xz (LZMA-compressed, recommended)
   1.6.26beta01.tar.gz

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

   lp1626b01.7z  (LZMA-compressed, recommended)
   lp1626b01.zip

Other information:

   1.6.26beta01-README.txt
   1.6.26beta01-LICENSE.txt
   libpng-1.6.26beta01-*.asc (armored detached GPG signatures)

Changes since the last public release (1.6.25):

Version 1.6.26beta01 [September 26, 2016]
  Fixed handling zero length IDAT in pngfix (bug report by Agostino Sarubbo,
    bugfix by John Bowler).
  Do not issue a png_error() on read in png_set_pCAL() because png_handle_pCAL
    has allocated memory that libpng needs to free.
  Conditionally compile png_set_benign_errors() in pngread.c and pngtest.c
  Issue a png_benign_error instead of a png_error on ADLER32 mismatch
    while decoding compressed data chunks.
  Changed PNG_ZLIB_VERNUM to ZLIB_VERNUM in pngpriv.h, pngstruct.h, and
    pngrutil.c.
  If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE,
    ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs.
  Issue png_benign_error() on ADLER32 checksum mismatch instead of png_error().
  Add tests/badcrc.png and tests/badadler.png to tests/pngtest.
  Merged pngtest.c with libpng-1.7.0beta84/pngtest.c

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