GNU bug report logs - #79845
31.0.50; (key-binding (kbd "C-c ^")) get an empty sparse keymap

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Yue Yi" <include_yy <at> qq.com>
To: "bug-gnu-emacs" <bug-gnu-emacs <at> gnu.org>
Subject: 31.0.50; (key-binding (kbd "C-c ^")) get an empty sparse keymap
Date: Sun, 16 Nov 2025 23:51:34 +0800

Hello Emacs maintainers,

During a random key press, I noticed that C-c ^ did not explicitly
display "xxx is undefined" in the echo area.  I was curious, so I
evaluated the expression mentioned in the title (referring to the key
binding for C-c ^) and got an empty keymap.

(key-binding (kbd "C-c ^")) => (keymap)

I did not observe this result in 30.2, where its value was the normal
nil.  I am aware that this binding is `org-sort' under Org-mode, but the
test environment I chose was fundamental-mode, and I launched Emacs
using emacs -Q.

I would like to ask if this is a new feature introduced in Emacs 31 or
an inadvertently introduced key binding? (It's worth noting that C-h m
does not show this binding in either 30.2 or 31.0.50).

Regards.

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