[TUHS] getting nroff to underline in v6,v5

John Cowan cowan at mercury.ccil.org
Mon Sep 28 01:51:18 AEST 2015

Mark Longridge scripsit:

> Maybe there was the ability to use overstrike characters on the teletype?

That's inherent in the nature of printing terminals: 'X', BS, '_' worked
fine on all such terminals to produce an underlined X.  Later it was
found to be better to use '_', BS, 'X', which looked the same on actual
TTYs or equivalents (LA34/36) and was greatly superior on video terminals.

John Cowan          http://www.ccil.org/~cowan        cowan at ccil.org
Any sufficiently-complicated C or Fortran program contains an ad-hoc,
informally-specified bug-ridden slow implementation of half of Common Lisp.
        --Greenspun's Tenth Rule of Programming (rules 1-9 are unknown)

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