On Tue, 7 Jan 2020, Jon Steinhart wrote:
Also because that great vi trainer program rogue
existed :-)
The story is told of some professor having to learn VI, because EMACS was
not available. After a few minutes, he said "Hmmm... It's just like
Rogue".
FWIW, I once discovered a bug in the Curses library following an upgrade
on the Mac: Rogue had stopped working :-)
-- Dave