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bug#5566: 23.1.92; man page header ugly on narrow terminals

From: jidanni
Subject: bug#5566: 23.1.92; man page header ugly on narrow terminals
Date: Fri, 12 Feb 2010 02:49:00 +0800

X-debbugs-cc: address@hidden, address@hidden

Here is a complicated bug that involves several packages, and produces
"WWW::Facebook::API::^HUI^Hsn^Het^Hr..." (^H's visible too)
on one's emacs screen.

# su - nobody #(LC_ALL=C etc. too.)
$ HOME=/tmp emacs-snapshot -nw
M-x man WWW::Facebook::API::Intl (from libwww-facebook-api-perl package)
on a wide enough terminal, gives a nice
WWW::Facebook::API::Intl(3pm)        User Contributed Perl Documentation       
however, if the screen is only as wide as the below, this is what one sees:
WWW::Facebook::API::^HUI^Hsn^Het^Hrl(^HC3^Hop^Hnm^Ht)^Hributed Perl Docu^H
Similarly under X-windows. If one just uses xterm and no emacs, one gets
WWW::Facebook::API:UserlContributed Perl DoWWW::Facebook::API::Intl(3pm)
which at least doesn't have the visible ^H stuff.
$ man -w WWW::Facebook::API::Friends
where we see the line at question...
.TH WWW::Facebook::API::Friends 3pm "2009-11-26" "perl v5.10.1" "User 
Contributed Perl Documentation"

In GNU Emacs (i486-pc-linux-gnu, GTK+ Version 2.18.6)
 of 2010-02-10 on elegiac, modified by Debian
 (emacs-snapshot package, version 1:20100209-1)

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