From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Barry OReilly <gundaetiapo@gmail.com>
Cc: 16818@debbugs.gnu.org
Subject: bug#16818: Acknowledgement (Undo in region after markers in undo history relocated)
Date: Thu, 13 Mar 2014 10:35:05 -0400 [thread overview]
Message-ID: <jwvlhwexjdk.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <jwvk3byz11x.fsf-monnier+emacsbugs@gnu.org> (Stefan Monnier's message of "Thu, 13 Mar 2014 09:24:28 -0400")
>> Your counter proposal is a step from the root. For instance, the
>> markers within the mark rings will not adjust correctly, whilst with
>> my patch they will.
> Can you give an example incorrect adjustment?
Oh, I think I see: with the current code, the mark-ring gets copies of
markers and those copies are made "late", so if you do "C-SPC, some
deletion around point, and then C-SPC", a new marker for the first C-SPC
is pushed on the mark-ring, but the undo-log has an adjustment for
mark-marker rather than for that new marker.
IOW, I think the primitive-undo fix is needed and your fix is also needed.
I think your fix is too risky for the 24.4, tho (IOW, please wait for
the trunk to re-open before installing it). The primitive-undo fix
should be safe enough for 24.4, so if you want to code this up and
install it, feel free.
Stefan
next prev parent reply other threads:[~2014-03-13 14:35 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-19 22:15 bug#16818: Undo in region after markers in undo history relocated Barry OReilly
[not found] ` <handler.16818.B.13928481719895.ack@debbugs.gnu.org>
2014-02-19 23:07 ` bug#16818: Acknowledgement (Undo in region after markers in undo history relocated) Barry OReilly
2014-02-20 4:53 ` Stefan Monnier
2014-02-20 14:38 ` Barry OReilly
2014-02-24 22:46 ` Barry OReilly
2014-02-25 21:43 ` Stefan Monnier
2014-02-26 15:18 ` Barry OReilly
2014-03-11 21:24 ` Barry OReilly
2014-03-12 23:24 ` Stefan Monnier
2014-03-13 1:59 ` Barry OReilly
2014-03-13 13:24 ` Stefan Monnier
2014-03-13 14:35 ` Stefan Monnier [this message]
2014-03-13 16:55 ` Barry OReilly
2014-03-17 23:05 ` Barry OReilly
2014-03-18 0:02 ` Stefan
2014-03-19 13:36 ` Barry OReilly
2014-03-19 18:52 ` Stefan
2014-03-19 13:45 ` Barry OReilly
2014-03-19 18:56 ` Stefan
2014-03-23 22:49 ` Barry OReilly
2014-03-24 13:03 ` Stefan
2014-03-24 22:10 ` Barry OReilly
2014-03-25 1:28 ` Stefan
2014-03-25 2:32 ` Barry OReilly
2020-09-09 12:25 ` Lars Ingebrigtsen
2020-12-06 15:57 ` bug#16818: Undo in region after markers in undo history relocated Lars Ingebrigtsen
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