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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: Evil defvars in org.el
Date: Fri, 04 May 2012 20:37:27 -0400	[thread overview]
Message-ID: <jwvipgbbh79.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87wr4rk6rr.fsf@gnu.org> ("Johan Bockgård"'s message of "Fri, 04 May 2012 22:53:12 +0200")

>>> It seems to me that this is something where there really ought to be
>>> a general Emacs solution (dynamic-let or whatever).
>> There is such a thing: (defvar <foo>).
> It currently has a number of problems:
> - The scoping of defvar is unclear and changes when the code is
> compiled:

Indeed, the rules aren't quite the same, which is one of the reasons why
I prefer not to document them.  Basically the rule is "leave them at
top-level", which should work just fine in 99.9% of the situations.

> - Invalid byte code is generated when the same symbol is used as both a
> lexical and a dynamic variable:

That one is a bug.


        Stefan



  reply	other threads:[~2012-05-05  0:37 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-27  3:17 Evil defvars in org.el Chong Yidong
2012-04-27  6:07 ` Bastien
2012-04-27 14:48   ` Bastien
2012-04-27 14:57     ` Edward Reingold
2012-04-27 16:14       ` Bastien
2012-04-27 17:09       ` SAKURAI Masashi
2012-04-27 16:05     ` Glenn Morris
2012-04-27 16:33       ` Drew Adams
2012-04-28  0:15         ` Miles Bader
2012-04-28  0:17           ` Drew Adams
2012-04-28  0:48             ` Miles Bader
2012-04-28  2:25       ` Chong Yidong
2012-05-04  6:56         ` Glenn Morris
2012-05-04 15:29           ` Stefan Monnier
2012-05-04 20:53             ` Johan Bockgård
2012-05-05  0:37               ` Stefan Monnier [this message]
2012-05-05 20:00             ` Glenn Morris
2012-05-07 14:57               ` Stefan Monnier
2012-04-28  2:14 ` Stefan Monnier
2012-04-28  5:57   ` Achim Gratz
2012-04-28 15:10     ` Stefan Monnier
2012-04-28 16:31       ` Achim Gratz
2012-04-28 19:33         ` Stefan Monnier
2012-04-28  6:00   ` Drew Adams
2012-05-08 22:48 ` Martyn Jago
2012-05-09 17:37   ` Stefan Monnier

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