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From: ted@braggvax.arpa
Newsgroups: comp.unix.questions
Subject: Re: troff previewer for AT&T 5620 (really PIC)
Message-ID: <8185@brl-adm.ARPA>
Date: Mon, 6-Jul-87 17:24:05 EDT
Article-I.D.: brl-adm.8185
Posted: Mon Jul  6 17:24:05 1987
Date-Received: Tue, 7-Jul-87 06:55:16 EDT
Sender: news@brl-adm.ARPA
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>From: "Carl S. Gutekunst" 
>
>I know how pic works. It uses a line drawing facility that was new in ditroff;
>you can't use pic with the old CAT troff, for example. My claim was that proof
>crashed the terminal when it saw these new line drawing functions.

Actually, you can use PIC with CAT troff.  In the version we got when I was
at usceast, there was a flag you could throw while compiling Pic to make it
use the old CAT troff dot drawing functions or some such.  I don't think this
was mentioned anywhere but in the code.  (And the comment there was something
like "They tell me backwards compatability is important").


				Ted Nolan
				ted@braggvax.arpa