ChangeLog

2024-01-01	- Added another Git repository URL option,
		  changed link to use https://github.com/pnggroup/libpng
		- Added release dates where known
		- Various other small tweaks
2023-10-16	- Added 1.6.40
		- Removed 1.0.69
		- Changed home page URL, added note about multiples
		- Changed repository URL, added SF GitHub links
		- Updated Slackware package versions (current -> 15.0)
2021-04-15	- 1.4.10 -> 1.4.22
		- 1.5.9 -> 1.5.30
		- Added 1.6.37
		- Home page http to https
		- Added Wikipedia, Git repository link
2021-04-06	- 1.0.58 -> 1.0.69
		- 1.2.48 -> 1.2.59
		- Updated Slackware package versions removing older and
		  added 14.0, .1, .2, and current
2012-03-15	- 1.0.52 -> 1.0.58
		- 1.2.42 -> 1.2.48
		- 1.4.0 -> 1.4.10
		- Added 1.5.9
		- Updated Slackware note for 13.1 and 13.37, removed
		  older than 12.0
		- Use sha1sum instead for the ones that are from me
		- Pass --mandir=/usr/man to configure (Slackware uses
		  /usr/man, the source defaults to /usr/share/man)
2010-01-10	- 1.0.39 -> 1.0.52
		- 1.2.31 -> 1.2.42
		- Added 1.4.0
		- Updated Slackware note for 12.2 and 13.0
2008-09-17	- 1.0.31 -> 1.0.39
		- 1.2.25 -> 1.2.31
2008-02-22	- 1.2.24 -> 1.2.25
		- 1.0.30 -> 1.0.31
		- Instead of download.sf.net, use
		  downloads.sf.net
2008-01-08	- 1.2.20 -> 1.2.24
		- 1.0.27 -> 1.0.30
2007-09-14	- 1.2.19 -> 1.2.20
2007-08-25	- 1.0.26 -> 1.0.27
		- 1.2.18 -> 1.2.19
		- Updated Slackware note 12.0
May 21, 2007	- 1.0.24 -> 1.0.26 (includes security fixes)
		- 1.2.16 -> 1.2.18 (includes security fixes)
Feb 6, 2007	- 1.2.12 -> 1.2.16
		- 1.0.18 -> 1.0.24, use configure instead of
		  symlink to scripts/makefile.linux
		- Removed gawk link (now at the top)
		- Updated Slackware note for 11.0
Aug 2, 2006	- 1.2.10 -> 1.2.12
Apr 28, 2006	- 1.2.9 -> 1.2.10
Apr 14, 2006	- 1.2.8 -> 1.2.9
Jan 6, 2006	- Updated Slackware note for 10.2
		- Only run removepkg if it exists
		- Added uninstall notes to the bottom
Jul 11, 2005	- Removed make, gcc, binutils, and fileutils/coreutils links
		- Changed md5sum verification to output OK (or not)
		- Moved source directory (see note <a href="howtos.php?msd">here</a>)
		- Rearranged options to shut up new version of find
		- root.root -> root:root, run when $UID = 0
Jan 10, 2005	- 1.0.17 -> 1.0.18
Dec 21, 2004	- 1.2.7 -> 1.2.8
		- Added note about versions that come with Slackware
Sep 26, 2004	- 1.0.16 -> 1.0.17
		- 1.2.6 -> 1.2.7
Aug 27, 2004	- Added a patch (to both versions) that fixes a zlib header
		  bug 
Aug 26, 2004	- 1.2.6rc5 -> 1.2.6
		- 1.0.16rc5 -> 1.0.16
Aug 11, 2004	- 1.2.6rc2 -> 1.2.6rc5
		- 1.0.16rc2 -> 1.0.16rc5
Aug 9, 2004	- 1.2.6rc1 -> 1.2.6rc2
		- 1.0.16rc1 -> 1.0.16rc2
Aug 4, 2004	- 1.2.25 -> 1.2.6rc1
		  <a href="http://scary.beasts.org/security/CESA-2004-001.txt">http://scary.beasts.org/security/CESA-2004-001.txt</a>
		  <a href="http://www.us-cert.gov/cas/techalerts/TA04-217A.html">http://www.us-cert.gov/cas/techalerts/TA04-217A.html</a>
		- 1.0.15 -> 1.0.16rc1
		- Added run of 'make test' in both versions
		- Added note about removing library files
May 6, 2004	- Added a patch for 1.2.5 that fixes this:
		  <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0421">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0421</a>
		- Changed the md5sum -> textutils links to point to coreutils
Mar 2, 2004	- The tarballs seem to be missing from the home site,
		  changed the download URL to use sourceforge
		- Updated notes about having both versions installed
		- Updated notes about cleaning out elflibs
		- Updated prerequisites
Aug 6, 2003	- Changed prefix to /usr
		- Added notes for removing libpng that was installed under
		  /usr/local
		- Updated note about Slack having /usr/lib/libpng* files
		  in the elflibs package
Jul 25, 2003	- Modernized, added md5sum verification, note about the
		  elflibs package
Oct 30, 2002	- 1.0.14 -> 1.0.15 (the old one)
		- .tar.gz -> .tar.bz2 for both versions
		- Updated removal of previous versions
		- Added removal of old shared lib files
Oct 10, 2002	- 1.2.5rc3 -> 1.2.5
		- Added removal of previous 1.2.x version
Sep 28, 2002	- 1.2.4 -> 1.2.5rc3 (security and bug fixes)
Aug 8, 2002	- Added removepkg to the old ver too
Aug 5, 2002	- 1.0.12 (the old one) -> 1.0.14
Aug 4, 2002	- First entry