The dates match. The interview is from 1984, which was after the formerly free-beer Gosmacs had gone commercial ("hundreds of dollars... did I miss something?"

The dates match. The interview is from 1984, which was after the formerly free-beer Gosmacs had gone commercial ("hundreds of dollars... did I miss something?" --- yes, Gosling's deal), but before the first public release of GNU Emacs in 1985, per jwz's timeline here: http://www.jwz.org/doc/emacs-timeline.html http://www.jwz.org/doc/emacs-timeline.html