From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz
[xscreensaver] / OSX / updates.pl
2016-10-24 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.35.tar.gz
2014-05-30 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.27.tar.gz
2014-05-30 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.26.tar.gz
2013-12-09 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.24.tar.gz