bug#55977: 29.0.50; [PATCH] repeat-mode: Don't echo unset keys in help message

[Visuwesh]

[செவ்வாய் ஜூன் 14, 2022 20:40] Eli Zaretskii wrote:

>> From: Visuwesh <visuweshm@gmail.com>
>> Date: Tue, 14 Jun 2022 22:57:48 +0530
>> 
>> repeat-mode echoes unset keys in the help message since it doesn't check
>> for non-nil value of command bound to key; will attach patch once I get
>> the bug number.
>
> Thanks, but can you please show a recipe from "emacs -Q", to
> understand better what problem are you trying to fix?

Sure.

    1. M-x repeat-mode RET.
    2. C-h n.
    3. M-: (define-key outline-navigation-repeat-map (kbd "C-n") nil).
    4. C-c @ C-n.  Notice how the help message still says C-n despite
       being unbound, and when you type C-n the repeat map exits
       contrary to what the message says.