From: Eli Zaretskii <eliz@gnu.org>
To: Matt Kramer <mccleetus@gmail.com>
Cc: 39564@debbugs.gnu.org
Subject: bug#39564:
Date: Sat, 29 Feb 2020 10:16:47 +0200 [thread overview]
Message-ID: <83pndxerkg.fsf@gnu.org> (raw)
In-Reply-To: <CANGn5a6hKd=O1z4BUzE7K0HeC1fJbUBhRek0SkyXuiNmybA_+w@mail.gmail.com> (message from Matt Kramer on Fri, 28 Feb 2020 09:33:57 -0800)
> From: Matt Kramer <mccleetus@gmail.com>
> Date: Fri, 28 Feb 2020 09:33:57 -0800
>
> Code I used:
>
> (defun make-lines (n)
> (mapconcat #'number-to-string
> (number-sequence 0 n) "\n"))
>
> (let ((map (make-sparse-keymap)))
> (define-key map (kbd "C-f") (lambda ()
> (interactive)
> (let ((inhibit-field-text-motion t))
> (goto-char (point-min)))
> (message "%S"
> (read-key
> (concat
> (make-lines 10)
> "\nTest2")))
> (abort-recursive-edit)))
> (read-from-minibuffer (concat (make-lines 10) "\nTest1: ") nil map))
>
> With this code in the clipboard, I start emacs -Q (again, 27.0.60
> commit 75a9eee8b), and immediately hit the following sequence of keys:
>
> C-y
> M-x eval-buffer RET
> C-f
>
> The eval-buffer results are initially as expected. However, after
> hitting C-f, the minibuffer then becomes:
>
> 0
> 1
> 2
> 3
> 4
> 5
> 6
> 7
> 8
> 9
> 10
> Test1: [0
> 1
> 2
> 3
> 4
>
> with point at the very beginning of the minibuffer (first 0).
Looks like the intended behavior for this code: the "[0 ..." part is
the text of the message displayed by the command bound to C-f; it is
enclosed in brackets to indicate that it is a message text separate
from the rest of the prompt. This display of echo-area messages that
attempts not to overwrite the minibuffer prompt in an active
minibuffer is a new feature of Emacs 27. By default, Emacs will not
let the mini-window grow enough to show the entire combined text of
the prompt and the message, but if you set max-mini-window-height to a
value 22 or greater, you will see this:
0
1
2
3
4
5
6
7
8
9
10
Test1: [0
1
2
3
4
5
6
7
8
9
10
Test2]
which is what I would expect, given the code you presented.
Going back to the original report, what is the bug here?
Thanks.
next prev parent reply other threads:[~2020-02-29 8:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200211144941.godmcifegapmqg6i.ref@Ergus>
2020-02-11 14:49 ` bug#39564: 28.0.50; read-key function do not display the prompt if called from read-from-minibuffer Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-02-11 15:50 ` Eli Zaretskii
2020-02-11 16:17 ` Oleh Krehel
2020-02-11 17:36 ` Eli Zaretskii
2020-02-12 13:21 ` Oleh Krehel
2020-02-12 17:22 ` Eli Zaretskii
2020-02-12 22:37 ` bug#39564: 28.0.50; read-key function do not display the prompt Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-02-26 20:04 ` bug#39564: Matt Kramer
2020-02-28 7:26 ` bug#39564: Eli Zaretskii
2020-02-28 17:33 ` bug#39564: Matt Kramer
2020-02-29 8:16 ` Eli Zaretskii [this message]
2020-03-01 22:26 ` bug#39564: Matt Kramer
2020-03-02 7:20 ` bug#39564: Matt Kramer
2020-03-02 8:46 ` bug#39564: Eli Zaretskii
2022-02-20 15:13 ` bug#39564: 28.0.50; read-key function do not display the prompt if called from read-from-minibuffer Lars Ingebrigtsen
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