From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz
[xscreensaver] / hacks / substrate.c
2016-10-24 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.35.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
2013-07-16 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.22.tar.gz
2013-02-08 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.15.tar.gz
2013-02-08 Zygo Blaxellwww.jwz.org/xscreensaver/xscreensaver-5.12.tar.gz
2013-02-08 Zygo Blaxellwww.jwz.org/xscreensaver/xscreensaver-5.11.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...
2013-02-08 Zygo Blaxellftp://ftp.krokus.ru/pub/OpenBSD/distfiles/xscreensaver...
2013-02-08 Zygo Blaxellftp.ksu.edu.tw/FTP/FreeBSD/distfiles/xscreensaver-4...
2013-02-08 Zygo Blaxellse.aminet.net/pub/Linux/distributions/slackware/slackwa...