all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: Juri Linkov <juri@linkov.net>
To: Ergus <spacibba@aol.com>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, 67226@debbugs.gnu.org
Subject: bug#67226: 30.0.50; Regression in previous-complete-history-element with empty input
Date: Thu, 16 Nov 2023 19:32:13 +0200	[thread overview]
Message-ID: <86leaxsixu.fsf@mail.linkov.net> (raw)
In-Reply-To: <87il62m110.fsf@aol.com> (Ergus via's message of "Thu, 16 Nov 2023 11:43:23 +0100")

> When using previous-complete-history-element like:
>
> The behavior changed sometime recently, because
>
> When the input is empty it shows:
>
>  [No earlier matching history item]
>
> Previously it behaved like `previous-history-element` in that case.
>
> Is this intended due to some recent change or is it an issue?
>
> ```
> Emacs -Q
>
> M-: (keymap-set minibuffer-local-map "<up>" #'previous-complete-history-element)
>
> M-x some-command1
> M-x some-command2
> M-x some-command3
> M-x <up-arrow>
> ```

The regression is on this line in `previous-matching-history-element`:

  (string-match (concat ".*\\(" regexp "\\)") match-string)

In GNU Emacs 29.1.90

  (string-match ".*\\(^\\)" "foo")
  => 0

But in GNU Emacs 30.0.50

  (string-match ".*\\(^\\)" "foo")
  => nil

Cc:ing Stefan.





  reply	other threads:[~2023-11-16 17:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87il62m110.fsf.ref@aol.com>
2023-11-16 10:43 ` bug#67226: 30.0.50; Regression in previous-complete-history-element with empty input Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-16 17:32   ` Juri Linkov [this message]
2023-11-25  9:39     ` Eli Zaretskii
2023-11-25 15:30       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-25 16:03     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-25 18:34       ` Juri Linkov

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

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=86leaxsixu.fsf@mail.linkov.net \
    --to=juri@linkov.net \
    --cc=67226@debbugs.gnu.org \
    --cc=monnier@iro.umontreal.ca \
    --cc=spacibba@aol.com \
    /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 external index

	https://git.savannah.gnu.org/cgit/emacs.git
	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.