Comment by spb

> The Bravo text editor was the first WYSIWYG editor with fonts. Amusingly, this was also the programmer's editor.

That explains why the Smalltalk Spacewar source in the Rolling Stone Spacewar article (I'm linking to my own version of it here) wasn't monospaced: http://stuartpb.github.io/spacewar-article/spacewar.html#you...