From: Eli Zaretskii <eliz@gnu.org>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: mattiase@acm.org, ture@turepalsson.se, monnier@iro.umontreal.ca,
41445@debbugs.gnu.org
Subject: bug#41445: 26.3; Query-replace triggers "match data clobbered by..."
Date: Sat, 23 May 2020 16:07:05 +0300 [thread overview]
Message-ID: <83r1vaztom.fsf@gnu.org> (raw)
In-Reply-To: <CAArVCkRKdP8YcyapOMa66p+HEvgK1XUA+xpq_rhg3UvZV-svQQ@mail.gmail.com> (message from Philipp Stephani on Sat, 23 May 2020 14:37:17 +0200)
> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sat, 23 May 2020 14:37:17 +0200
> Cc: Mattias Engdegård <mattiase@acm.org>,
> Stefan Monnier <monnier@iro.umontreal.ca>, ture@turepalsson.se, 41445@debbugs.gnu.org
>
> > I thought we had some advice to Lisp programs not to assume that
> > match-data will be preserved, but maybe I'm misremembering. Stefan,
> > do you remember something along these lines?
>
> That's at least what the manual says
> (https://www.gnu.org/software/emacs/manual/html_node/elisp/Match-Data.html):
> "Notice that all functions are allowed to overwrite the match data
> unless they're explicitly documented not to do so."
> (Not that I like that statement, but it is current reality.)
Right, thanks. I missed that.
next prev parent reply other threads:[~2020-05-23 13:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 5:07 bug#41445: 26.3; Query-replace triggers "match data clobbered by..." Ture Pålsson
2020-05-22 10:46 ` Mattias Engdegård
2020-05-22 11:11 ` Eli Zaretskii
2020-05-22 11:16 ` Mattias Engdegård
2020-05-22 12:07 ` Eli Zaretskii
2020-05-22 12:21 ` Mattias Engdegård
2020-05-22 12:35 ` Eli Zaretskii
2020-05-23 11:36 ` Mattias Engdegård
2020-05-23 12:28 ` Eli Zaretskii
2020-05-23 12:37 ` Philipp Stephani
2020-05-23 13:07 ` Eli Zaretskii [this message]
2020-05-23 13:08 ` Mattias Engdegård
2020-05-23 13:36 ` Stefan Monnier
2020-05-23 15:43 ` Drew Adams
2020-05-27 14:31 ` Mattias Engdegård
2020-05-27 15:54 ` Eli Zaretskii
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=83r1vaztom.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=41445@debbugs.gnu.org \
--cc=mattiase@acm.org \
--cc=monnier@iro.umontreal.ca \
--cc=p.stephani2@gmail.com \
--cc=ture@turepalsson.se \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).