;;; font-core.el --- Core interface to font-lock
-;; Copyright (C) 1992-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1992-2014 Free Software Foundation, Inc.
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
;; Keywords: languages, faces
;; Package: emacs
;; The mode for which font-lock was initialized, or nil if none.
(defvar font-lock-major-mode)
+
(define-minor-mode font-lock-mode
- "Toggle Font Lock mode.
-With arg, turn Font Lock mode off if and only if arg is a non-positive
-number; if arg is nil, toggle Font Lock mode; anything else turns Font
-Lock on.
-\(Font Lock is also known as \"syntax highlighting\".)
+ "Toggle syntax highlighting in this buffer (Font Lock mode).
+With a prefix argument ARG, enable Font Lock mode if ARG is
+positive, and disable it otherwise. If called from Lisp, enable
+the mode if ARG is omitted or nil.
When Font Lock mode is enabled, text is fontified as you type it:
your own function which is called when `font-lock-mode' is toggled via
`font-lock-function'. "
nil nil nil
+ :after-hook (font-lock-initial-fontify)
;; Don't turn on Font Lock mode if we don't have a display (we're running a
;; batch job) or if the buffer is invisible (the name starts with a space).
(when (or noninteractive (eq (aref (buffer-name) 0) ?\s))
;; Only do hard work if the mode has specified stuff in
;; `font-lock-defaults'.
- (when (or font-lock-defaults
- (if (boundp 'font-lock-keywords) font-lock-keywords)
- (and mode
- (boundp 'font-lock-set-defaults)
- font-lock-set-defaults
- font-lock-major-mode
- (not (eq font-lock-major-mode major-mode))))
+ (when (font-lock-specified-p mode)
(font-lock-mode-internal mode)))
(defun turn-on-font-lock ()
;; A few people have hassled in the past for a way to make it easier to turn on
;; Font Lock mode, without the user needing to know for which modes s/he has to
;; turn it on, perhaps the same way hilit19.el/hl319.el does. I've always
-;; balked at that way, as I see it as just re-moulding the same problem in
+;; balked at that way, as I see it as just re-molding the same problem in
;; another form. That is; some person would still have to keep track of which
;; modes (which may not even be distributed with Emacs) support Font Lock mode.
;; The list would always be out of date. And that person might have to be me.