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Re: Running a lisp script

From: PJ Weisberg
Subject: Re: Running a lisp script
Date: Sun, 22 Apr 2012 12:26:39 -0700

On Sunday, April 22, 2012, Juanma Barranquero <address@hidden> wrote:
> On Sun, Apr 22, 2012 at 08:06, David Combs <address@hidden> wrote:
>> Too late at night for me to remember the name of the "scheme", but
>> Perl added it via its (sic) "local" variables.   AH -- dynamic binding,
>> that's what it's called.  Which Elisp doesn't have, being derived from
>> MacLisp thinking.
>> That was a long time ago.  Is what I remember actually a correct memory?
> I think you've mixed a bit lexical and dynamic scoping (Perl "local"
> is indeed dynamic scoping, but Scheme's novelty was lexical scoping,
> which Common Lisp copied).

And to answer the question, elisp supports dynamic scoping, and support for lexical scoping will be added in Emacs 24.1.


Gehm's Corollary to Clark's Law: Any technology distinguishable from
magic is insufficiently advanced.

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