Release of libpng-1.5.0

libpng-1.5.0 is available from
ftp://ftp.simplesystems.org/pub/png/src
and from
http://libpng.sf.net

There are no changes from libpng-1.5.0rc07, except
for fixing a couple of tiny typos in the manual.

Read the ANNOUNCE file and the section on libpng-1.4
to 1.5 differences in libpng-manual.txt that come with libpng
to see the differences from 1.4.5.

The  major changes include moving the png and png_info
structs into their own private header files, and provision of
a new, more thorough test program (pngvalid.c), and an
awk-based system of maintaining the new pnglibconf.h
file that keeps track of how libpng was configured (i.e.,
what features were supported when libpng was built).

Most of this work was done by John Bowler.

Except for the accessibility of the png and png_info
structs (which we have been deprecating for more than
a decade), the API isn't significantly changed.  Applications
built with libpng14 without compiler warnings about using
deprecated features should also build without modification
with libpng15.

Please reply to the png-mng-implement list.

Glenn

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