From: Mark Oteiza <mvoteiza@udel.edu>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: On removing some obsolete code from subr and core
Date: Mon, 7 Nov 2016 15:25:30 -0500 [thread overview]
Message-ID: <20161107202530.GA1043@holos.localdomain> (raw)
In-Reply-To: <83lgwvgia3.fsf@gnu.org>
On 07/11/16 at 10:13pm, Eli Zaretskii wrote:
> > Date: Mon, 7 Nov 2016 15:08:28 -0500
> > From: Mark Oteiza <mvoteiza@udel.edu>
> > Cc: emacs-devel@gnu.org
> >
> > > I meant what happens if we for some reason need to reinstate some of
> > > them?
> >
> > Partially revert the commit I guess.
>
> Would it work to do in Lisp something like
>
> (defvar default-FOO (default-value FOO))
No, because default-FOO is tied to the default value of FOO, and
manipulating default-FOO created this way would have no effect on FOO's
default value.
Any user of the obsolete default-FOOs should be changing their code to:
(setq-default FOO bar) ;; setter
(set-default 'FOO bar) ;; setter
(default-value 'FOO) ;; getter
> > perhaps you or someone else know better why the default-FOO
> > variables might be needed again, or why they were implemented in the
> > first place.
>
> I don't know, maybe someone else does.
next prev parent reply other threads:[~2016-11-07 20:25 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-04 16:59 On removing some obsolete code from subr and core Mark Oteiza
2016-11-05 8:24 ` John Wiegley
2016-11-05 8:34 ` Eli Zaretskii
2016-11-05 13:50 ` Mark Oteiza
2016-11-05 17:59 ` Eli Zaretskii
2016-11-06 16:58 ` Mark Oteiza
2016-11-05 17:50 ` Stefan Monnier
2016-11-06 17:05 ` Mark Oteiza
2016-11-06 22:32 ` Stefan Monnier
2016-11-07 0:32 ` Mark Oteiza
2016-11-07 3:35 ` Eli Zaretskii
2016-11-07 4:24 ` Mark Oteiza
2016-11-07 15:11 ` Eli Zaretskii
2016-11-07 20:08 ` Mark Oteiza
2016-11-07 20:13 ` Eli Zaretskii
2016-11-07 20:25 ` Mark Oteiza [this message]
2016-11-08 6:51 ` Noam Postavsky
2016-11-07 20:31 ` Stefan Monnier
2016-11-07 21:32 ` Johan Bockgård
2016-11-08 13:00 ` Stefan Monnier
2016-11-08 19:49 ` John Wiegley
2016-11-05 15:51 ` Clément Pit--Claudel
2016-11-05 15:52 ` Clément Pit--Claudel
2016-11-05 16:42 ` Dmitry Gutov
2016-11-05 17:23 ` Clément Pit--Claudel
2016-11-05 17:31 ` Dmitry Gutov
2016-11-05 18:03 ` Clément Pit--Claudel
2016-11-05 15:57 ` Clément Pit--Claudel
2016-11-05 17:56 ` Stefan Monnier
2016-11-05 19:14 ` Clément Pit--Claudel
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