From: Stefan Monnier <monnier@iro.umontreal.ca>
To: "Maguire\, Andrew \(GE Infra\, Energy\)" <andrew.maguire@ge.com>
Cc: Chong Yidong <cyd@stupidchicken.com>, 5805@debbugs.gnu.org
Subject: bug#5805: 23.1; abbrev-insert does not protext itself with save-excursion
Date: Sat, 10 Apr 2010 15:10:13 -0400 [thread overview]
Message-ID: <jwvwrwf163h.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <A6A1CC87D715C143988ED94326B583D301F7B5AD@BUDMLVEM09.e2k.ad.ge.com> (Andrew Maguire's message of "Sat, 10 Apr 2010 19:06:46 +0200")
> Create a global abbrev, abbrv => abbrev
> Type the following, ^ indicating point location.
> abbrv ()
> ^
> Then press C-x ' to expand the abbrev on the line.
> abbrev ()
> ^
> Observe that point ^ is now before the ()s.
Right. The question now is: why is that a problem?
I ask because for some abbrevs, moving point isa feature, e.g. an abbrev
that uses skeletons to expand
begi
^
into
\begin{itemize} \end{itemize}
^
so maybe the problem is that your code makes unwarranted assumptions
about what abbrevs can do, or maybe your code knows that it won't
encounter such abbreviations or that it wouldn't care about their
point-placement feature, so it could/should use save-excursion.
> ;; Emacs 23 has a lisp implementation for abbrevs.
BTW, the problem is not that the implementation is in Lisp, but that it
behaves differently.
Stefan
next prev parent reply other threads:[~2010-04-10 19:10 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201003291206.NAA17706@ultimate.Smallworld.co.uk>
2010-03-30 16:33 ` bug#5805: Returned mail: Cannot send message within 3 days Maguire, Andrew (GE Infra, Energy)
2010-04-10 16:04 ` bug#5805: 23.1; abbrev-insert does not protext itself with save-excursion Chong Yidong
2010-04-10 17:06 ` Maguire, Andrew (GE Infra, Energy)
2010-04-10 19:10 ` Stefan Monnier [this message]
2010-04-12 11:28 ` Maguire, Andrew (GE Infra, Energy)
2010-04-12 13:31 ` Stefan Monnier
2010-04-12 15:02 ` Maguire, Andrew (GE Infra, Energy)
2010-04-12 18:13 ` Stefan Monnier
2011-07-07 14:48 ` bug#5805: 23.3 abbrev-insert needs a limited save-excursion Bob Nnamtrop
2011-07-07 20:59 ` Stefan Monnier
2011-07-07 21:46 ` Bob Nnamtrop
2011-07-08 0:02 ` Bob Nnamtrop
2011-07-08 1:03 ` Stefan Monnier
2011-07-08 14:43 ` Stefan Monnier
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