Some roff pre-history

[John Mashey]

I need some help with troff, nroff, roff, runoff history.

Does anybody know for sure when Saltzer's runoff program was first in use at
M.I.T., and on which machines?

(I already asked the most likely old BTL friends, and they didn't know.)
-- 
-john mashey	DISCLAIMER: <generic disclaimer, I speak for me only, etc>
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