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I am a fairly new user of Emacs, which I could be my offline installation of LaTeX instead of using Overleaf. I wanted the same keyboard layout that I use on that site, which is the same as my Mac keyboard. I can't use backslash \ for writing \begin... and use the {}, so it is quite hard to write LaTeX inside Emacs. All I have installed is default emacs, AUCTex and evil. I haven't configured anything despite that. I've tried to search all over Google and finding answers, inserting them into my config, but nothing really works?

I normally use SHIFT+OPTION7 to do a backslash and SHIFT+OPTION+8 or SHIFT+OPTION+9 to do { and }.

Thanks in advance.

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2 Answers 2

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I had the same issue and this set of config lines in my .emacs fixed it

(setq mac-option-key-is-meta nil)
(setq mac-command-key-is-meta t)
(setq mac-command-modifier 'meta)
(setq mac-option-modifier nil)

I'm not a lisp expert and I don't remember wher I found those in the first place :-) I have a Norwegian keyboard layout.

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You may need to improve this question before it can be answered. For one thing, if you normally use Command-Shift-7 to type a backslash, and that isn’t working inside Emacs, what does Emacs do instead? Also, if you type C-h k Command-Shift-7, what does Emacs say that this key combination does?

Generally keyboard layouts are handled by the operating system, and Emacs doesn’t need to get involved.

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  • I tried to do a backslash, it first tells there is no dynamic expression for 'produced. When I try do to the C-h k SHIFT+OPTION+7 it tells me its reserved for M-/ for something called dabbrev-expand ARG.
    – JonasDenmark
    Apr 13, 2022 at 15:05
  • A comment maybe, but certainly not an answer (particularly given the well-stated objection in your first sentence).
    – NickD
    Apr 13, 2022 at 15:58
  • ok, so Emacs understood SHIFT-OPTION-7 as M-/, which is interesting. I suppose that SHIFT-7 gives a forward slash and the option key is supposed to make it give a backslash? You might try typing `C-u C-` to switch input methods, and choosing the Danish one.
    – db48x
    Apr 13, 2022 at 22:34
  • Nick, you are of course correct. The same thought occurred to me right after I had submitted it.
    – db48x
    Apr 13, 2022 at 22:34
  • @db48x Shift+7 actually does a '-' so no forward slash. Shift+command+7 gives a forward slash. I tried to do (add-hook 'text-mode-hook (lambda () (set-input-method "danish-prefix"))) as well, but it is still the same.
    – JonasDenmark
    Apr 14, 2022 at 0:20

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