diff options
Diffstat (limited to 'lisp/font-core.el')
| -rw-r--r-- | lisp/font-core.el | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/lisp/font-core.el b/lisp/font-core.el index 056c1b3515b..a78e21a762f 100644 --- a/lisp/font-core.el +++ b/lisp/font-core.el @@ -88,6 +88,8 @@ settings. See the variable `font-lock-defaults', which takes precedence.") It will be passed one argument, which is the current value of `font-lock-mode'.") +;; The mode for which font-lock was initialized, or nil if none. +(defvar font-lock-mode-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 @@ -156,7 +158,9 @@ your own function which is called when `font-lock-mode' is toggled via ;; Arrange to unfontify this buffer if we change major mode later. (if font-lock-mode (add-hook 'change-major-mode-hook 'font-lock-change-mode nil t) - (remove-hook 'change-major-mode-hook 'font-lock-change-mode t))) + (remove-hook 'change-major-mode-hook 'font-lock-change-mode t)) + (when font-lock-mode + (setq font-lock-mode-major-mode major-mode))) ;; Get rid of fontification for the old major mode. ;; We do this when changing major modes. @@ -175,6 +179,7 @@ this function onto `change-major-mode-hook'." '(font-lock-face))) (restore-buffer-modified-p modp))) +(defvar font-lock-set-defaults) (defun font-lock-default-function (mode) ;; Turn on Font Lock mode. (when mode @@ -201,9 +206,14 @@ this function onto `change-major-mode-hook'." ;; Only do hard work if the mode has specified stuff in ;; `font-lock-defaults'. (when (or font-lock-defaults - (and (boundp 'font-lock-keywords) font-lock-keywords) + (if (boundp 'font-lock-keywords) font-lock-keywords) (with-no-warnings - (cdr (assq major-mode font-lock-defaults-alist)))) + (cdr (assq major-mode font-lock-defaults-alist))) + (and mode + (boundp 'font-lock-set-defaults) + font-lock-set-defaults + font-lock-mode-major-mode + (not (eq font-lock-mode-major-mode major-mode)))) (font-lock-mode-internal mode))) (defun turn-on-font-lock () |