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Re: Emacs 21 ediff and Reflection-X?

From: Stefan Monnier <address@hidden>
Subject: Re: Emacs 21 ediff and Reflection-X?
Date: 24 Oct 2001 18:15:14 -0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1.50

The following message is a courtesy copy of an article
that has been posted to gnu.emacs.help as well.

>>>>> "Paul" == Paul D Smith <address@hidden> writes:
> Yesterday I built Emacs 21.1 and installed it, and now he's having a big
> problem using ediff his system.  Whenever he initiates an ediff session,
> Emacs locks up for about 2 minutes or so, then finally the little ediff
> frame will appear and he can proceed.

Reminds me of a problem that a friend of mine encountered but wasn't able to
reproduce (probably because his window manager was upgraded in the
meantime).  I think the time is spent in a dozen `set-frame-parameter' calls
(all doing the same thing, so they're mostly redundant).  I don't know why
those calls take so much time (manually executing calls with similar
arguments seemed not to suffer from such a slow down).

In his case, it was only a dozen seconds rather than 2 minutes, so maybe
the problem is different, but it would be interesting to try and see
where Emacs gets stuck during those 2 minutes (in my friend's case his
Emacs was idle for most of those seconds, so it was a poor interaction with
the wm, maybe with some kind of timeout).


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