From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz
[xscreensaver] / hacks / glx / xlock-gl-utils.c
2017-12-22 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.38.tar.gz
2015-07-02 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.33.tar.gz
2014-11-16 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.31.tar.gz
2014-09-11 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.30.tar.gz
2013-02-08 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.16.tar.gz
2013-02-08 Zygo Blaxellwww.jwz.org/xscreensaver/xscreensaver-5.13.tar.gz
2013-02-08 Zygo Blaxellwww.jwz.org/xscreensaver/xscreensaver-5.09.tar.gz
2013-02-08 Zygo Blaxellwww.jwz.org/xscreensaver/xscreensaver-5.07.tar.gz
2013-02-08 Zygo Blaxellslackware.bholcomb.com/slackware/slackware-11.0/source...