troff magic

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Article #5085

#5085

From: William M. Davidson
Date: Wed, 31 Aug 1988 16:50

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I noticed an example in the Troff Reference Manual that looks strange
and I have no idea how it works.

In chapter 11, the following macro example was given to draw a line under
a string:

.de us
\\$1\l'|0\\(ul'
..

I understand everything except the "|0".  I assume it is the
N argument for the line drawing function, \l'Nc'.

It does work so it is not a typo in the manual.

I would appreciate any help on this strange syntax.  Please email a reply
since I do not read this newsgroup.

Thanks.
-- 
Forking is Fun!
William [i aM not a dweeb] Davidson 
Sandia National Laboratories (505) 846-1868
...ucbvax!unmvax!intvax!davidson

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!attcan!uunet!seismo!sundc!pitstop!sun!amdcad!ames!hc!lanl!unm-la!unmvax!intvax!davidson
From: davidson@intvax.UUCP (William M. Davidson)
Newsgroups: comp.text
Subject: troff magic
Message-ID: <597@intvax.UUCP>
Date: 31 Aug 88 16:50:27 GMT
Organization: Sandia National Labs, Org. 1411, Albq, NM
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