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Same for global-set-key "\C-x … and define-key ctl-x-map "….

I prefer (global-set-key (kbd "M-KEYS") #'COMMAND) because it's more readable, but I would like to know if the two kinds of binding -- expliciting the Meta key and using the ctl-x-map -- differ in some ways.

  • (global-set-key (kbd "C-c M-v") #'command) – RichieHH Feb 16 at 16:23
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    @RichieHH: Please post that as an answer (but with C-x, not C-c, since the former is the OP example). And consider elaborating a bit, to make the difference clear. And please also add a corrected string version, i.e., without kbd. Bonus points for pointing to the manual node that explains this. ;-) – Drew Feb 16 at 16:55
  • I'm pretty sure the effect of these functions is identical, i.e., (global-set-key "\C-x a" 'forward-line) and (define-key ctl-x-map "a" 'forward-line) do exactly the same thing. However, I can't find a definitive confirmation of this in the Emacs manual or the Elisp manual. – Tyler Feb 18 at 23:21
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Consider using function kbd, which is described here.

(global-set-key (kbd "C-x M-v") #'command)

| improve this answer | |
  • I had tried using kbd but I must have made some mistake because I got an error. I have removed that part from the question. Anyway, that was just a -- wrong -- example of a difference, but my question is more about the difference between the two ways of binding a key, in general, than the specific issue with C-x M-v. Thanks for the tip and sorry if I wasn't clear. – Arch Stanton Feb 16 at 20:42

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