[swdunlop]

(I know one award-winning SF novelist who uses an obscure British word processor, originally for CP/M and MS-DOS)

This is not so exotic; how many of us still adhere to vi in an xterm when we are in "time to stop fooling around and work" mode. ;)

[Semiapies]

vi and emacs are products that are still upgraded and distributed; obscure word processors by shuttered companies are a different thing.