From: Barry Margolin <barmar@alum.mit.edu>
To: help-gnu-emacs@gnu.org
Subject: Re: How to rescind a defun?
Date: Fri, 18 May 2012 18:16:41 -0400 [thread overview]
Message-ID: <barmar-D52FA0.18164118052012@news.eternal-september.org> (raw)
In-Reply-To: mailman.1365.1337373409.855.help-gnu-emacs@gnu.org
In article <mailman.1365.1337373409.855.help-gnu-emacs@gnu.org>,
"Drew Adams" <drew.adams@oracle.com> wrote:
> > If, during an Emacs session, one evaluates a defun that
> > (inadvertently) redefines an existing function, is it
> > possible to undo this?
>
> See function `fmakunbound'.
That will remove the new definition, but not restore the old one.
The only way to do that is to find the old definition and evaluate it.
--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
next prev parent reply other threads:[~2012-05-18 22:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-18 20:13 How to rescind a defun? kj
2012-05-18 20:36 ` Drew Adams
[not found] ` <mailman.1365.1337373409.855.help-gnu-emacs@gnu.org>
2012-05-18 21:49 ` kj
2012-05-18 22:09 ` Drew Adams
2012-05-18 22:16 ` Barry Margolin [this message]
2012-05-19 2:52 ` Pascal J. Bourguignon
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