From: Alan Mackenzie <acm@muc.de>
To: Achim Gratz <Stromeko@nexgo.de>
Cc: emacs-devel@gnu.org
Subject: Re: How does one undo (even temporarily) an defvaralias, giving two distinct variables?
Date: Thu, 14 Mar 2013 14:31:01 +0000 [thread overview]
Message-ID: <20130314143101.GB4296@acm.acm> (raw)
In-Reply-To: <87txogo2o0.fsf@Rainer.invalid>
Hi, Achim.
On Tue, Mar 12, 2013 at 08:09:51PM +0100, Achim Gratz wrote:
> Alan Mackenzie writes:
> > How does one undo defvaralias and friends?
> If nothing else works, makunbound should get rid of those symbols so you
> can redefine them.
makunbound sets the target of the alias unbound, but leaves the alias in
place.
I don't think it's possible to unalias a symbol.
The workaround I've come up with is (defvaralias face (gensym)), which
although it leaves `face' as an alias, at least it points to a different
target.
> Regards,
> Achim.
--
Alan Mackenzie (Nuremberg, Germany).
next prev parent reply other threads:[~2013-03-14 14:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-12 15:55 How does one undo (even temporarily) an defvaralias, giving two distinct variables? Alan Mackenzie
2013-03-12 19:09 ` Achim Gratz
2013-03-14 14:31 ` Alan Mackenzie [this message]
2013-03-14 15:10 ` Thierry Volpiatto
2013-03-14 15:54 ` Andreas Schwab
2013-03-14 16:36 ` Stefan Monnier
2013-03-14 16:52 ` Alan Mackenzie
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130314143101.GB4296@acm.acm \
--to=acm@muc.de \
--cc=Stromeko@nexgo.de \
--cc=emacs-devel@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).