プログラマの敵的に考えて

例えばvim

" 全角スペースの表示
highlight ZenkakuSpace cterm=underline ctermfg=lightblue guibg=darkgray
match ZenkakuSpace /　/

例えばemacs
;; 全角スペース、タブの強調表示
(defface my-face-b-1 ' (defface my-face-b-2 '((t (:background "medium aquamarine"))) 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 (">*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)

うん｡死ね

*1:t (:background "medium aquamarine"))) nil) (defface my-face-b-2 '((t (:background "medium aquamarine"))) 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 (