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From: sxs@lanl.ARPA
Newsgroups: net.wanted.sources,net.text
Subject: ditroff - nroff
Message-ID: <25213@lanl.ARPA>
Date: Tue, 30-Apr-85 12:06:32 EDT
Article-I.D.: lanl.25213
Posted: Tue Apr 30 12:06:32 1985
Date-Received: Wed, 1-May-85 06:36:27 EDT
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Organization: Los Alamos National Laboratory
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We are using a program to generate indexes using ditroff.  
The program uses the .sy command of ditroff.
We would like to make indexes using nroff as well as ditroff,
  but .sy does not exist on our version of nroff.
Does anyone have a version of nroff that implements the .sy command?