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Re: Emacs Lisp's future

From: David Kastrup
Subject: Re: Emacs Lisp's future
Date: Wed, 17 Sep 2014 16:30:44 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

> You are wrong here.  Emacs 23 added many CPU-intensive features, like
> visual-line-mode.  Emacs 24 added bidirectional display, which makes
> redisplay need roughly twice as much juice as Emacs 23 needed.  And
> these are only two examples that pop up in my head after a 3-sec
> thought; I'm sure there are more.
> So it's not like we use up every additional CPU cycle the chips are
> giving us, but we are certainly using significantly more than we did
> 10 years ago.

One of the most costly changes was post 20.2 (?) when buffer and string
positions became expressed as character offsets rather than byte

David Kastrup

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