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      (when (window-system)
       (set-default-font "Fira Code"))
      (let ((alist '((33 . ".\\(?:\\(?:==\\|!!\\)\\|[!=]\\)")
               (35 . ".\\(?:###\\|##\\|_(\\|[#(?[_{]\\)")
               (36 . ".\\(?:>\\)")
               (37 . ".\\(?:\\(?:%%\\)\\|%\\)")
               (38 . ".\\(?:\\(?:&&\\)\\|&\\)")
               (42 . ".\\(?:\\(?:\\*\\*/\\)\\|\\(?:\\*[*/]\\)\\|[*/>]\\)")
               (43 . ".\\(?:\\(?:\\+\\+\\)\\|[+>]\\)")
               (45 . ".\\(?:\\(?:-[>-]\\|<<\\|>>\\)\\|[<>}~-]\\)")
               ;; (46 . ".\\(?:\\(?:\\.[.<]\\)\\|[.=-]\\)")
               ;; (47 . ".\\(?:\\(?:\\*\\*\\|//\\|==\\)\\|[*/=>]\\)")
               (48 . ".\\(?:x[a-zA-Z]\\)")
               (58 . ".\\(?:::\\|[:=]\\)")
               (59 . ".\\(?:;;\\|;\\)")
               (60 . ".\\(?:\\(?:!--\\)\\|\\(?:~~\\|->\\|\\$>\\|\\*>\\|\\+>\\|--\\|<[<=-]\\|=[<=>]\\||>\\)\\|[*$+~/<=>|-]\\)")
               (61 . ".\\(?:\\(?:/=\\|:=\\|<<\\|=[=>]\\|>>\\)\\|[<=>~]\\)")
               (62 . ".\\(?:\\(?:=>\\|>[=>-]\\)\\|[=>-]\\)")
               (63 . ".\\(?:\\(\\?\\?\\)\\|[:=?]\\)")
               (91 . ".\\(?:]\\)")
               (92 . ".\\(?:\\(?:\\\\\\\\\\)\\|\\\\\\)")
               (94 . ".\\(?:=\\)")
               (119 . ".\\(?:ww\\)")
               (123 . ".\\(?:-\\)")
               (124 . ".\\(?:\\(?:|[=|]\\)\\|[=>|]\\)")
               (126 . ".\\(?:~>\\|~~\\|[>=@~-]\\)"))))
             (dolist (char-regexp alist)
               (set-char-table-range composition-function-table (car char-regexp)
                          `([,(cdr char-regexp) 0 font-shape-gstring]))))

      (add-hook 'cider-repl-mode-hook
          (lambda ()
            (setq auto-composition-mode nil)))

      (add-hook 'org-mode-hook
          (lambda ()
            (setq auto-composition-mode nil)))

      (add-hook 'helm-major-mode-hook
          (lambda ()
            (setq auto-composition-mode nil)))