全角スペース・タブを目立つように表示する

emacs 
(defface my-face-b-1 '*1
  (font-lock-add-keywords
   major-mode
   '(
     ("　" 0 my-face-b-1 append)
     ("\t" 0 my-face-b-2 append)
     ("[ ]+$" 0 my-face-u-1 append)
     )))
(ad-enable-advice 'font-lock-mode 'before 'my-font-lock-mode)
(ad-activate 'font-lock-mode)
(add-hook 'find-file-hooks '(lambda ()
(if font-lock-mode
nil
(font-lock-mode t))) t)

*1:t (:background "medium aquamarine"))) nil) (defface my-face-b-2 '((t (:background "gray26"))) nil) (defface my-face-u-1 '((t (:foreground "SteelBlue" :underline t))) nil) (defvar my-face-b-1 'my-face-b-1) (defvar my-face-b-2 'my-face-b-2) (defvar my-face-u-1 'my-face-u-1) (defadvice font-lock-mode (before my-font-lock-mode (