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Re: [VM] Cached data with international characters

From: John Stoffel
Subject: Re: [VM] Cached data with international characters
Date: Tue, 30 Oct 2012 10:52:48 -0400

>>>>> "Julian" == Julian Bradfield <address@hidden> writes:

Julian> On 2012-10-29, John Stoffel <address@hidden> wrote:
>> This might explain some of the wierd issues I've been seeing with
>> emails, but I generally tend to run VM inside emacs in a gnu screen
>> session, so I'm very text based.  And what happens is that sometimes
>> when I read a message, then move to the next message parts of the
>> screen aren't re-drawn properly, which is usually fixed with an C-l to
>> force a re-fresh.
>> This happens with both 8.2.0b (emacs 23.1.1 centos) and 8.1.2 (debian
>> squeeze emacs 23.2.1), though I suspect I run into this more often
>> with 8.1.2 just because I'm usually reading my home email that way.  

Julian> Interesting - I see this too, and I'd assumed it was a problem
Julian> in my Emacs. But since you're using fsfmacs, and I use (my own
Julian> fork of) XEmacs, perhaps it isn't.

Julian> But I'm not at all sure how it could be anything to do with VM
Julian> - why would VM be messing with anything as low level as screen
Julian> re-drawing?

I suspect it's VM just pushing utf8 or other non-encoded characters
into the screen, when Emacs is expecting plain ASCII or some other
encoding system.  I'm not sure and my elisp-fu is so weak that I'll
never be able to debug it myself.  

So my setup is:

 xterm -> ssh -> tcsh -> screen/tmux -> tcsh -> emacs -> vm

so there's *alot* of potential to screw up.  One reason I went to tmux
was to see if I could fix the problem, since I assumed it was more of
a screen issue not redrawing things properly.  

Interestingly enough, my home system (the tcsh sessions) has
LANG=en_US.UTF-8 by default.  Hmm... maybe if I change that down to
plain ASCII or something else things will be better?  Unfortunately,
I don't have a test email at hand right this second.  I'll keep
waiting for it to happen again and I'll experiment some more.


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