From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: How can I undo a change from a modification-hook?
Date: Wed, 26 Apr 2017 10:51:38 -0400 [thread overview]
Message-ID: <jwv60hr2pf3.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 7f8bb205-c311-3360-ad0e-df205240199b@gmail.com
>> In the case of PG, I'd suggest you treat such a case as
>> a non-whitespace change.
> But I can't, can I? The damage (the change) is already done at that point,
> and I can't revert it.
But you can "retract" until the beginning of the changed area.
Stefan
next prev parent reply other threads:[~2017-04-26 14:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-26 7:02 How can I undo a change from a modification-hook? Clément Pit--Claudel
2017-04-26 12:26 ` Stefan Monnier
2017-04-26 13:45 ` Clément Pit-Claudel
2017-04-26 13:52 ` Stefan Monnier
2017-04-26 14:23 ` Clément Pit-Claudel
2017-04-26 14:51 ` Stefan Monnier [this message]
2017-04-26 16:38 ` Clément Pit-Claudel
2017-04-26 18:43 ` Stefan Monnier
2017-04-26 19:02 ` Clément Pit-Claudel
2017-04-27 12:48 ` Stefan Monnier
2017-04-27 12:58 ` Clément Pit-Claudel
2017-04-27 17:36 ` Stefan Monnier
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