Subject: Re: bug#29430: 26.0.90; C-M-backspace is undefined

From: Richard Stallman <[email-masked]>
Date: Sat, 25 Nov 2017 18:14:08 -0500

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[[[ whether defending the US Constitution against all enemies,     ]]]
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  > (unless (eq 'ns (window-system))
  >   ;; These were once dangerous in various situations,
  >   ;; so let's not encourage just anyone to use them.
  >   (define-key global-map [C-M-delete] 'backward-kill-sexp)
  >   (define-key global-map [C-M-backspace] 'backward-kill-sexp))

It is not just on NextStep.
I think I saw one of these kill X windows on GNU/Linux.

-- 
Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)
Skype: No way! See https://stallman.org/skype.html.