GNU bug report logs - #3863
23.1.50; possible save-match-data in copyright.el

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Package: emacs;

Reported by: Kevin Ryde <user42 <at> zip.com.au>

Date: Thu, 16 Jul 2009 00:10:05 UTC

Severity: normal

Done: Kevin Ryde <user42 <at> zip.com.au>

Bug is archived. No further changes may be made.

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Message #30 received at 3863 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>, 3863 <at> debbugs.gnu.org
Cc: Chong Yidong <cyd <at> stupidchicken.com>, Kevin Ryde <user42 <at> zip.com.au>
Subject: Re: bug#3863: 23.1.50; possible save-match-data in copyright.el
Date: Thu, 16 Jul 2009 20:42:42 +0200

On Thu, Jul 16, 2009 at 7:24 PM, Stefan Monnier<monnier <at> iro.umontreal.ca> wrote:
>> If so, we should change y-or-n-p to save the match data.
>
> Why?  y-or-n-p will yield waiting for user input, so it's basically
> a point where any other code can run.  It's one of the prime examples of
> a function which you can't expect to preserve the match-data.

I don't think I understand, but it sounds like this is a reason why
y-or-n-p should save match-data...

Is there any reason not to let y-or-n-p save match data? I mean the
function needing match data possibly want yield until it has used it,
or?
This bug report was last modified 15 years and 239 days ago.

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