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Subject: bug#66792: 30.0.50; describe-keymap shows unreachable parent map bindings
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Date: Sun, 29 Oct 2023 02:34:41 +1300
From: Phil Sainty <psainty@HIDDEN>
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Content preview: The following code demonstrates this bug involving parent
keymaps: ; ; The parent keymap binds key sequence "a b" ; ;
(making "a" a prefix
key with a submap). (defvar my-keymap-parent (let ((map (make-sparse-keymap)))
(define-key map (kbd "a b") 'foo) map))
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The following code demonstrates this bug involving parent keymaps:
;; The parent keymap binds key sequence "a b"
;; (making "a" a prefix key with a submap).
(defvar my-keymap-parent
(let ((map (make-sparse-keymap)))
(define-key map (kbd "a b") 'foo)
map))
;; The child keymap binds a command directly to "a" meaning
;; that the parent's submap is not accessible from the child.
(defvar my-keymap-child
(let ((map (make-sparse-keymap)))
(set-keymap-parent map my-keymap-parent)
(define-key map (kbd "a") 'bar)
map))
;; However (describe-keymap 'my-keymap-child) displays the "a b"
;; binding as if it were a useable key sequence:
Key Binding
------------------------
a bar
a b foo
I think that this output should only show the "a" binding.
-Phil
In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo
version 1.16.0, Xaw scroll bars) of 2023-09-21 built on phil-lp
Repository revision: 01b80a6f0e40a4390717a79a73c61899e2ec2968
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version
11.0.12101004
System Description: Ubuntu 22.04.3 LTS
Configured using:
'configure --prefix=/home/phil/emacs/trunk/usr/local
--with-x-toolkit=lucid --without-sound
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XPM LUCID ZLIB
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value of $LC_MONETARY: en_NZ.UTF-8
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value of $LC_TIME: en_NZ.UTF-8
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value of $XMODIFIERS: @im=ibus
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Major mode: Lisp Interaction
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Memory information:
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Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: Phil Sainty <psainty@HIDDEN> Subject: bug#66792: Acknowledgement (30.0.50; describe-keymap shows unreachable parent map bindings) Message-ID: <handler.66792.B.16985001471387.ack <at> debbugs.gnu.org> References: <0111173e2d0bd5b8b2e5d72b4927aed7@HIDDEN> X-Gnu-PR-Message: ack 66792 X-Gnu-PR-Package: emacs Reply-To: 66792 <at> debbugs.gnu.org Date: Sat, 28 Oct 2023 13:36:01 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-gnu-emacs@HIDDEN If you wish to submit further information on this problem, please send it to 66792 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 66792: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D66792 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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Subject: bug#66792: 30.0.50; describe-keymap shows unreachable parent map bindings
Resent-From: Eli Zaretskii <eliz@HIDDEN>
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> Date: Sun, 29 Oct 2023 02:34:41 +1300
> From: Phil Sainty <psainty@HIDDEN>
>
> The following code demonstrates this bug involving parent keymaps:
>
> ;; The parent keymap binds key sequence "a b"
> ;; (making "a" a prefix key with a submap).
>
> (defvar my-keymap-parent
> (let ((map (make-sparse-keymap)))
> (define-key map (kbd "a b") 'foo)
> map))
>
> ;; The child keymap binds a command directly to "a" meaning
> ;; that the parent's submap is not accessible from the child.
>
> (defvar my-keymap-child
> (let ((map (make-sparse-keymap)))
> (set-keymap-parent map my-keymap-parent)
> (define-key map (kbd "a") 'bar)
> map))
>
> ;; However (describe-keymap 'my-keymap-child) displays the "a b"
> ;; binding as if it were a useable key sequence:
>
> Key Binding
> ------------------------
> a bar
>
> a b foo
>
>
> I think that this output should only show the "a" binding.
Adding Stefan.
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