(define-key dired-mode-map (kbd "M-s") nil)
(define-key dired-mode-map (kbd "l") 'dired-isearch-filenames)
(define-key dired-mode-map (kbd "H") 'dired-omit-mode)
(define-key dired-mode-map (kbd "M-s") nil)
(define-key dired-mode-map (kbd "l") 'dired-isearch-filenames)
(define-key dired-mode-map (kbd "H") 'dired-omit-mode)