From: "Roland Winkler" <Roland.Winkler@physik.uni-erlangen.de>
To: David Kastrup <dak@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: undoing changes automatically
Date: Mon, 12 Nov 2007 22:21:21 +0100 [thread overview]
Message-ID: <18232.50129.24712.310255@tfkp07.physik.uni-erlangen.de> (raw)
In-Reply-To: <853avbp6ie.fsf@lola.goethe.zz>
On Mon Nov 12 2007 David Kastrup wrote:
> > So I want to put the call to undo in the code such that it undoes
> > all the formatting before it throws the error.
>
> atomic-change-group is a Lisp macro in `subr.el'.
> (atomic-change-group &rest BODY)
>
> Perform BODY as an atomic change group.
> This means that if BODY exits abnormally,
> all of its changes to the current buffer are undone.
> This works regardless of whether undo is enabled in the buffer.
Perfect, thanks. It seems that this does exactly what I want.
Roland
next prev parent reply other threads:[~2007-11-12 21:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-12 1:13 undoing changes automatically Roland Winkler
2007-11-12 10:07 ` Johan Bockgård
2007-11-12 21:23 ` Leo
2007-11-12 20:12 ` David Kastrup
2007-11-12 21:21 ` Roland Winkler [this message]
2007-11-13 20:03 ` Richard Stallman
2007-11-13 21:11 ` Stefan Monnier
2007-11-15 5:06 ` Roland Winkler
2008-01-09 1:51 ` Roland Winkler
2008-01-09 5:24 ` Stefan Monnier
2008-01-09 9:10 ` Roland Winkler
2008-01-09 10:11 ` Roland Winkler
2008-01-09 15:07 ` Stefan Monnier
2008-01-10 12:20 ` Richard Stallman
2008-01-10 14:43 ` Stefan Monnier
2008-01-11 13:58 ` Richard Stallman
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