From: Stefan Monnier <monnier@iro.umontreal.ca>
To: rms@gnu.org
Cc: mail.vjrao@gmail.com, Dan Nicolaescu <dann@ics.uci.edu>,
nickrob@snap.net.nz, emacs-devel@gnu.org
Subject: Re: TODO
Date: Wed, 27 Feb 2008 15:45:01 -0500 [thread overview]
Message-ID: <jwvr6eycf89.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <E1JUOoH-0003jo-4V@fencepost.gnu.org> (Richard Stallman's message of "Wed, 27 Feb 2008 11:07:09 -0500")
> If the problem is the undo-list, then we can change insert-file-contents
> to not clear the buffer-undo-list in the case where it did make any
> changes to the buffer.
I've installed a change that does just that.
> I think this should not be the normal case for insert-file-contents,
> when VISIT = nil. Rather, it should be a special option to be used in
> particular cases like this. Perhaps visit = vc?
If `insert-file-contents' does not change any part of the buffer, it's
basically a no-op. I see hence no reason for it to flush the undo-list
in that case.
AFAIK, flushing the undo list is done on the expectation that the new
content is substantially different, so the original undo-list is only
valid if we add a big undo-entry that represents the changes made by
insert-file-contents (hence making the insert-file-contents operation
undoable). In the case where the new content is equal to the old
content, we may as well keep the undo-list.
Stefan
next prev parent reply other threads:[~2008-02-27 20:45 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-23 17:26 Looking for a new Emacs maintainer or team Vijay Rao
2008-02-24 0:54 ` Richard Stallman
2008-02-24 16:12 ` Vijay Rao
2008-02-24 23:04 ` Richard Stallman
2008-02-25 3:59 ` Vijay Rao
2008-02-25 4:45 ` TODO [was Re: Looking for a new Emacs maintainer or team] Nick Roberts
2008-02-26 15:33 ` V.Rao
2008-02-26 18:13 ` Dan Nicolaescu
2008-02-26 18:26 ` TODO Stefan Monnier
2008-02-26 18:48 ` TODO Dan Nicolaescu
2008-02-26 18:54 ` TODO Stefan Monnier
2008-02-26 19:03 ` TODO Dan Nicolaescu
2008-02-26 23:08 ` TODO Miles Bader
2008-02-26 23:23 ` TODO Dan Nicolaescu
2008-02-27 0:08 ` TODO Miles Bader
2008-02-27 1:17 ` TODO Dan Nicolaescu
2008-02-27 2:56 ` TODO Miles Bader
2008-02-27 16:07 ` TODO Richard Stallman
2008-02-27 20:45 ` Stefan Monnier [this message]
2008-02-28 16:41 ` TODO Richard Stallman
2008-02-28 17:09 ` TODO [was Re: Looking for a new Emacs maintainer or team] V.Rao
2008-02-29 1:39 ` Richard Stallman
2008-02-28 2:00 ` Xavier Maillard
2008-02-28 16:20 ` TODO Michael Albinus
2008-02-28 17:08 ` TODO Dan Nicolaescu
2008-02-28 17:35 ` TODO Stefan Monnier
2008-02-28 20:39 ` TODO Michael Albinus
2008-02-28 23:23 ` TODO Evans Winner
2008-02-29 4:52 ` TODO Dan Nicolaescu
2008-02-29 7:58 ` TODO Michael Albinus
2008-03-01 1:00 ` TODO Xavier Maillard
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