I'm using the following code to launch flyspell when I edit LaTeX files with Emacs+AUCTeX.

(if (file-exists-p "/usr/bin/hunspell")
      (setq ispell-program-name "hunspell")
      (eval-after-load "ispell"
        '(progn (defun ispell-get-coding-system () 'utf-8)))))

(global-set-key [f2] 'flyspell-mode)
(add-hook 'LaTeX-mode-hook 'flyspell-mode)

You can notice flyspell is automatically started when in the LaTeX mode (AUCTeX mode) and could be disable/enable with the shortcut F2.

The configuration uses hunspell (which is much better than ispell or aspell in my opinion) with the system default language (in my case: French).

I would like to be able to change the language with a shortcut. I'm writing in French and English (sometimes inside the same document) and I would be able to switch language in an quick way during editing. For example, it would be wonderful if I could choose English dictionary with F4 and go back to the default French dictionary with F3 (when F2 is still used to toogle on/off flyspell).

P-S : For now, I'm doing the switch with M-x ispell-change-dictionary but it isn't very efficient.

  • Would you publish, maybe as an edit, your whole setup regarding flyspell, including the dictionary and so on? I'd really be interested, but using only your code throws errors. I found this site: emacswiki.org/emacs/InteractiveSpell#toc5 -- I will test what's been published there. – Keks Dose Mar 21 '14 at 23:33
  • @KeksDose This is all my flyspell related code. It loads the system default dictionnary but the accepted answer show how to choose another one. Perhaps, hunspell-xx (where xx is the language shortcut : en for English) is not installed on your system? – ppr Mar 23 '14 at 16:46
  • @KeksDose you could override the system default dictionnary with (setq ispell-dictionary "francais"). – ppr Mar 23 '14 at 16:50
  • 1
    Thank you. I got a working system with hunspell by using "rw-hunspell.el". The dictionary is far better than a/ispell, at least regarding German language. – Keks Dose Mar 23 '14 at 16:55

Add the following code to your .emacs:

 (lambda ()
   (ispell-change-dictionary "francais")))
 (lambda ()
   (ispell-change-dictionary "english")))

Are you already aware of this?

  • Thanks, I was aware of AUCTeX capabilities regarding languages. However, I prefer to use csquote and \enquote{} command. – ppr Mar 21 '14 at 8:11

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