;;; 作者推奨キーバインド
(define-key ctl-x-4-map "nd" 'ni-narrow-to-defun-indirect-other-window)
(define-key ctl-x-4-map "nn" 'ni-narrow-to-region-indirect-other-window)
(define-key ctl-x-4-map "np" 'ni-narrow-to-page-indirect-other-window)
;;; いっそのこと置き換えてもいいかもしれない
;; (define-key ctl-x-map "nd" 'ni-narrow-to-defun-indirect-other-window)
;; (define-key ctl-x-map "nn" 'ni-narrow-to-region-indirect-other-window)
;; (define-key ctl-x-map "np" 'ni-narrow-to-page-indirect-other-window)