   ;(add-hook 'text-mode-hook 'turn-on-fci-mode)
   ;(add-hook 'org-mode-hook  'turn-off-fci-mode 'append)
   ;;
+  ;; ESS: Turn off the automatic replacement of `_' by `<-'
+  (add-hook 'ess-mode-hook (lambda () (ess-toggle-underscore nil)))
+  ;;
   ;; mu4e: https://github.com/djcb/mu
   (push "~/.spacemacs.d/config" load-path)
   (require 'aly-mu4e-config nil t)

     (chinese :variables chinese-enable-fcitx t)
     clojure
     emacs-lisp
     games
     git
     latex

;;
;; Aaron LI
;; Created: 2016-04-30
;; Updated: 2016-06-25
;;


