Commit 00ddb61e authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(font-lock-mode): Don't add to after-change-functions

if font-lock-fontify-region-function is `ignore'.

(font-lock-inhibit-modes): New variable.
(turn-on-font-lock-if-enabled): Test it.
parent 2fe6d204
......@@ -501,9 +501,10 @@ its mode hook."
(set (make-local-variable 'font-lock-mode) on-p)
;; Turn on Font Lock mode.
(when on-p
(make-local-hook 'after-change-functions)
(add-hook 'after-change-functions 'font-lock-after-change-function nil t)
(unless (eq font-lock-fontify-region-function 'ignore)
(make-local-hook 'after-change-functions)
(add-hook 'after-change-functions 'font-lock-after-change-function nil t))
(run-hooks 'font-lock-mode-hook)
;; Fontify the buffer if we have to.
......@@ -598,6 +599,9 @@ begins with `not'. For example:
(c-mode c++-mode)
means that Font Lock mode is turned on for buffers in C and C++ modes only.")
(defvar font-lock-inhibit-modes '(lisp-interaction-mode)
"Major modes for which Global Font Lock mode should not apply.")
(defun global-font-lock-mode (&optional arg message)
"Toggle Global Font Lock mode.
......@@ -643,6 +647,7 @@ turned on in a buffer if its major mode is one of `font-lock-global-modes'."
(set-buffer (car font-lock-buffers))
(if (and (or font-lock-defaults
(assq major-mode font-lock-defaults-alist))
(not (memq major-mode font-lock-inhibit-modes))
(or (eq font-lock-global-modes t)
(if (eq (car-safe font-lock-global-modes) 'not)
(not (memq major-mode (cdr font-lock-global-modes)))
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