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Date: Tue, 26 Sep 2000 23:54:00 -0700
From: "Crist J . Clark" <cjclark@reflexnet.net>
To: j mckitrick <jcm@FreeBSD-uk.eu.org>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: weird inconsistent editing behavior
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On Tue, Sep 26, 2000 at 11:45:20PM -0700, Crist J . Clark wrote:
> On Tue, Sep 26, 2000 at 01:17:53PM +0100, j mckitrick wrote:
> > 
> > This one really has me going.  For the past 2 days,  when I am editing a
> > document with vi or vim, after cursoring up several lines, the console beeps
> > and inserts a capital 'A' and goes into insert mode.  After cursoring down
> > several times, I get a capital 'B', a newline, and insert mode again.
> > 
> > AFAIK, the termcap on this machine has not changed, and  the term type is
> > xterm-color, which is also correct.  This *has* to be a stupid mistake of
> > some kind, but I am at a loss to figure out what.  Meanwhile, I will keep
> > trying to solve it myself.
> 
> I only see this effect over network connections when I hold down and
> repeat an arrow key. An arrow key acctually produces several
> characters. Try doing,
> 
>   <ctrl-v><up-arrow>
>   ^[[A
> 
> I believe that's an ESC followed by '[' and 'A.' Now you see where the
> 'A's come from? =) (Try the others to find the 'B.') That is, vi(1)
> loses the association of that group of characters actually being one
> keyboard event.
> 
> Of course, the way to prevent this is to use h-j-k-l to move around
> the vi screen.

Oops, I didn't finish. I've also noticed this when manuevering the
messages list in mutt. However, I just get an annoying beep and a 'key
is not bound' message. I think it would be interesting to see if the
characters are getting broken up and placed into separate packets.
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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