23 Mar
2020
23 Mar
'20
2:59 p.m.
Clem Cole <clemc(a)ccc.com> wrote:
To answer Ed's question, it came out of Research,
but first as part of the
typesetter support - *i.e.* 'Typesetter C', which was on V6 and PWB
1.0 [the new troff replacement was being written by Brian] .
The troff replacement was somewhat after V7. The troff that shipped with V7
was still only for the CAT.
See https://www.cs.princeton.edu/~bwk/202/summer.reconstructed.pdf which is dated
January 1980.
Arnold