nroff questions on italics/underscore

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Article #370

#370

From: Joseph Chapman
Date: Sun, 18 Nov 1984 19:56

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(Warning: I no longer have access to the nroff/troff source, so this may
be merely an hallucination.)  I thought that nroff checked to see if
bold and underscore mode-starting-strings (t.bdon, t.iton) existed
before attempting backspace/overprint kludgery to simulate bold and
italic.  The test would be somewhere in n10.c.

Even if your printer doesn't have a sequence to turn underlining (or
italic or bold) mode on and off, adding distinctive t.bdon, t.bdoff,
t.iton, and t.itoff sequences to your terminal driver would turn off the
backspace/overprint stuff and make it easier to write a filter for the
output. 

--- Joseph Chapman
    CCA Uniworks                   617-492-8860
    4 Cambridge Center             decvax!cca!joe
    Cambridge, MA  02142           joe@cca-unix.ARPA

-- 
--- Joseph Chapman
    CCA Uniworks                   617-492-8860
    4 Cambridge Center             decvax!cca!joe
    Cambridge, MA  02142           joe@cca-unix.ARPA

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
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Path: arc1-ca.pugleaf.net!utzoo!linus!decvax!cca!joe
From: joe@cca.UUCP (Joseph Chapman)
Newsgroups: net.text
Subject: nroff questions on italics/underscore
Message-ID: <941@cca.UUCP>
Date: Sun, 18-Nov-84 14:56:18 EST
Article-I.D.: cca.941
Posted: Sun Nov 18 14:56:18 1984
Date-Received: Tue, 20-Nov-84 06:54:56 EST
Organization: Computer Corp America, Cambridge
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