Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83 SMI; site sun.uucp
Path: utzoo!linus!decvax!decwrl!sun!gnu
From: gnu@sun.uucp (John Gilmore)
Newsgroups: net.news
Subject: Re: Vnews bug with line folding
Message-ID: <1639@sun.uucp>
Date: Thu, 23-Aug-84 05:37:20 EDT
Article-I.D.: sun.1639
Posted: Thu Aug 23 05:37:20 1984
Date-Received: Sat, 25-Aug-84 02:51:44 EDT
References: <387@intelca.UUCP>
Organization: Sun Microsystems, Inc.
Lines: 4

It's probably your termcap entry.  Try unsetting "am" (automatic
margins) in termcap.  Your long line came out fine on my Sun (4.2BSD)
running vnews.