From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz
[xscreensaver] / OSX / grabclient-osx.m
2018-08-13 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.40.tar.gz master
2018-04-16 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.39.tar.gz
2017-07-05 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.37.tar.gz
2016-10-24 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.36.tar.gz master2