Tomas Nordin <tomasn@posteo.net> wrote:
> Dmitry Alexandrov <dag@gnui.org> writes:
>> Tomas Nordin <tomasn@posteo.net> wrote:
>>> And if one is to be voted away, I vote for my precious M-o to be left alone.
>>
>> 	(define-minor-mode my-precious-keys-mode "" t)
>> 	(defvar my-precious-keys-map (make-sparse-keymap))
>> 	(add-to-list 'emulation-mode-map-alists
>> 	             (list (cons 'my-precious-keys-mode my-precious-keys-map)))
>>         (define-key my-precious-keys-map (kbd "M-o") #'other-window)

> define-dummy-mode-and-dummy-key-map-…

I am not sure, what ‘dummy’ is supposed to mean here?  Minor mode is fully functional, that is you are free to disable and reenable it at will:

        (define-key global-map (kbd "<C-pause>") #'my-precious-keys-mode)