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-rw-r--r--lisp/font-lock.el17
1 files changed, 13 insertions, 4 deletions
diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index fdc0ebf255d..444ca80f94c 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -1311,12 +1311,19 @@ START should be at the beginning of a line."
;;; Syntactic fontification functions.
+(defvar font-lock-comment-start-skip nil
+ "If non-nil, Font Lock mode uses this instead of `comment-start-skip'.")
+
+(defvar font-lock-comment-end-skip nil
+ "If non-nil, Font Lock mode uses this instead of `comment-end'.")
+
(defun font-lock-fontify-syntactically-region (start end &optional loudly ppss)
"Put proper face on each string and comment between START and END.
START should be at the beginning of a line."
(let ((comment-end-regexp
- (regexp-quote
- (replace-regexp-in-string "^ *" "" comment-end)))
+ (or font-lock-comment-end-skip
+ (regexp-quote
+ (replace-regexp-in-string "^ *" "" comment-end))))
state face beg)
(if loudly (message "Fontifying %s... (syntactically...)" (buffer-name)))
(goto-char start)
@@ -1334,12 +1341,14 @@ START should be at the beginning of a line."
'syntax-table))
(when face (put-text-property beg (point) 'face face))
(when (and (eq face 'font-lock-comment-face)
- comment-start-skip)
+ (or font-lock-comment-start-skip
+ comment-start-skip))
;; Find the comment delimiters
;; and use font-lock-comment-delimiter-face for them.
(save-excursion
(goto-char beg)
- (if (looking-at comment-start-skip)
+ (if (looking-at (or font-lock-comment-start-skip
+ comment-start-skip))
(put-text-property beg (match-end 0) 'face
font-lock-comment-delimiter-face)))
(if (looking-back comment-end-regexp (point-at-bol))