Мультиязычная проверка орфографии в Emacs.

(with-eval-after-load "ispell"
  ;; Configure `LANG`, otherwise ispell.el cannot find a 'default
  ;; dictionary' even though multiple dictionaries will be configured
  ;; in next line.
;;  (setenv "LANG" "en_US.UTF-8")
  (setq ispell-program-name "hunspell")
  (setq ispell-dictionary "ru_RU,en_US")
  ;; ispell-set-spellchecker-params has to be called
  ;; before ispell-hunspell-add-multi-dic will work
  (ispell-set-spellchecker-params)
  (ispell-hunspell-add-multi-dic "ru_RU,en_US")
  (ispell-hunspell-add-multi-dic "en_US,ru_RU")
  )

  ;; For saving words to the personal dictionary, don't infer it from
  ;; the locale, otherwise it would save to ~/.hunspell_de_DE.
(setq ispell-personal-dictionary "~/.hunspell_personal")

;; The personal dictionary file has to exist, otherwise hunspell will
;; silently not use it.
(unless (file-exists-p ispell-personal-dictionary)
  (write-region "" nil ispell-personal-dictionary nil 0))