   (let ((inhibit-read-only t))
     (erase-buffer)))
 
-;;; backward kill word
+;;;
 (defun hong-backward-kill-word ()
   (interactive)
   (let* ((start (+ (line-beginning-position)

                  (backward-word)
                  (max (point) start))))
    (kill-region start end)))

;;; ============================= shell comint =============================
;;; shell

          (lambda ()
            (shell-like-map-setup eshell-mode-map)
            (evil-define-key 'insert eshell-mode-map
              (kbd "C-u") 'eshell-clear-before-line
              (kbd "C-a") 'eshell-bol
              (kbd "C-r") 'eshell-find-history
              (kbd "C-p") 'eshell-previous-matching-input-from-input
