Agreed: Key thing is that RMS and JWZ did build something together at one point, their views just diverged later (GNU/Lucid/XEmacs emacs split). And of course,

Agreed: Key thing is that RMS and JWZ did build something together at one point, their views just diverged later (GNU/Lucid/XEmacs emacs split). And of course, just typing this post I am using work of all of these: Firefox (JWZ heritage), on Linux (Linus), using GTK (Miguel), compiled with gcc (RMS).