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Message from discussion emacs 24: ass-kicking fix on spell checking on Windows?
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Xah Lee  
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 More options Mar 6 2012, 9:03 am
Newsgroups: gnu.emacs.help, comp.emacs
From: Xah Lee <xah...@gmail.com>
Date: Tue, 6 Mar 2012 06:03:03 -0800 (PST)
Local: Tues, Mar 6 2012 9:03 am
Subject: Re: emacs 24: ass-kicking fix on spell checking on Windows?
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On Mar 6, 5:24 am, Xah Lee <xah...@gmail.com> wrote:

> #emacs holy cow! just discovered something incredible.

> for emacs Windows, calling flyspell-buffer usually takes 10 seconds
> for a small file (e.g. 10k byte sized).

> But in emacs 24, it is now less than a second!

> was there a change in emacs 24 or am i smoking something?

>  Xah

Here's a exact timing, on a 80k HTML file:

emacs 23.2.1 on Windows (with Cygwin aspell): 80 seconds
emacs 24.0.93 on Windows (with Cygwin aspell): 3 seconds

the release notes (aka emacs NEWS) didn't mention anything about
spell, but has the following:

** The default value of redisplay-dont-pause is now t
This makes Emacs feel more responsive to editing commands that arrive
at high rate, e.g. if you lean on some key, because stopping redisplay
in the middle (when this variable is nil) forces more expensive
updates later on, and Emacs appears to be unable to keep up.

however, setting “redisplay-dont-pause” to t, didn't help in emacs 23.


 
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