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From: ASSI <Stromeko AT nexgo DOT de>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] emacs 27.1-1
References: <announce DOT 20200811124856 DOT 46307-1-kbrown AT cornell DOT edu>
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Date: Sun, 16 Aug 2020 08:14:40 +0200
In-Reply-To: <605209a3-eb9b-7972-7b57-a6793e065dba@cornell.edu> (Ken Brown via
 Cygwin's message of "Sat, 15 Aug 2020 17:26:24 -0400")
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Ken Brown via Cygwin writes:
> emacs has long had problems with slow redisplay in files with long
> lines.  See, for example,
>
>   https://debbugs.gnu.org/cgi/bugreport.cgi?bug=13675
>
> and all the bugs that have been merged with it.  One suggestion I've
> seen recently is to try so-long-mode.  Does that help?

It might even have one or two of my own bug reports in there.  :-)

I haven't tried so-long-mode (it seems to have become available only
with emacs-27), but it appears from its description that it would also
DTRT in my particular case.

> Do you have reason to think this is Cygwin-specific?  If so, it might
> be related to the new pty code.  Does it help to set
> CYGWIN=disable_pcon before starting any Cygwin processes? (*)

I never use the console and I have seen exactly the same problem in
emacs-X11 (with DISPLAY on a Linux box) and emacs-nox (both over ssh an
in mintty locally).  I don't have another system with emacs-27 yet, but
I expect that to be unrelated to Cygwin.


Regards,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

SD adaptation for Waldorf Blofeld V1.15B11:
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