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Re: emacs-24.1.1 slow scrolling in Fundamental mode with font lock disab


From: Eli Zaretskii
Subject: Re: emacs-24.1.1 slow scrolling in Fundamental mode with font lock disabled
Date: Mon, 12 Nov 2012 18:29:27 +0200

> From: Maxim Yegorushkin <address@hidden>
> Date: Mon, 12 Nov 2012 16:23:50 +0000
> 
> > Does scrolling become faster if you type this:
> >
> >    M-x set-variable RET bidi-paragraph-direction RET left-to-right RET
> >
> > If it does,
> 
> It does indeed fixes the problem.
> 
>  > then I believe this is an inefficiency in the
> > bidirectional display engine that is already fixed in the development
> > sources, and will be part of the upcoming Emacs 24.3 release.  If you
> > can try the development sources, I think you should see that this
> > problem is gone.
> 
> Thanks a lot Eli. I will stick this customization in .emacs for now.

If you never expect to have to display bidirectional scripts, like
Arabic, you can make that the default:

  (setq-default bidi-paragraph-direction 'left-to-right)



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