+ ;; FIXME: Calling `font-lock-remove-keywords' causes
+ ;; `font-lock-specified-p' to go from nil to non-nil (because it
+ ;; calls font-lock-set-defaults). This is yet-another bug in
+ ;; font-lock-add/remove-keywords, which we circumvent here by
+ ;; testing `font-lock-fontified' (bug#19796).
+ (if font-lock-fontified (font-lock-remove-keywords nil (list keyword)))