Stallman didn't _originate_ the body of stuff that eventually turned into ITS
EMACS, although he did take over maintenance of it once it was rolling; and
later wrote Gnu Emacs from scratch himself.
Well, even that is a bit inaccurate. He implemented emacs by wrapping
new code around James Gosling's (also licensed as Unipress) EMACS.
After a bit of a protracted argument, he finally wrote his own stuff to
get the infringing code out.
that I've been using
heavily customized Epsilon for decades, which is written completely in EEL
dialect of C enhanced with editing primitives like buffers, etc), that's clearly
very confused.
I was an Epsilon user as well.
The "self documenting" aspects of EMACS are kind of laughable as well.
I'll start with using backspace for the help key and go from there :)