(font-lock-add-keywords nil '(num3--matcher) 'append))
(font-lock-remove-keywords nil '(num3--matcher)))
(if (fboundp 'font-lock-flush) (font-lock-flush)
(font-lock-add-keywords nil '(num3--matcher) 'append))
(font-lock-remove-keywords nil '(num3--matcher)))
(if (fboundp 'font-lock-flush) (font-lock-flush)