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Re: Lexical binding -- do we really need it?

From: Per Abrahamsen
Subject: Re: Lexical binding -- do we really need it?
Date: Sun, 09 Dec 2001 13:37:25 +0100
User-agent: Gnus/5.090004 (Oort Gnus v0.04) Emacs/21.1 (i686-pc-linux-gnu)

Richard Stallman <address@hidden> writes:

> I don't think it is worth while working on optimization in the Emacs
> Lisp compiler.  It could be an unlimited time sink, drawing effort
> away from features that benefit the user into something users will
> hardly notice.

I believe Gnus users will notice, Gnus is often CPU bound (although
not necessarily by the compiler) and has a reputation for being slow.

Also, I had to give one of the most complex options
(nnmail-split-fancy) the customize type "sexp", because the structured
type resulted in an unusable slow UI.  And that is bound by the Lisp

I think speed is important, not as much for the things we do today,
but for the things we don't do because the byte code is too slow.

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