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-rw-r--r--lisp/emacs-lisp/lisp-mode.el3
1 files changed, 3 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el
index 8f4245cb9a1..bb815481bf0 100644
--- a/lisp/emacs-lisp/lisp-mode.el
+++ b/lisp/emacs-lisp/lisp-mode.el
@@ -192,6 +192,9 @@
;; Look within the line for a ; following an even number of backslashes
;; after either a non-backslash or the line beginning.
(setq comment-start-skip "\\(\\(^\\|[^\\\\\n]\\)\\(\\\\\\\\\\)*\\);+ *")
+ (make-local-variable 'font-lock-comment-start-skip)
+ ;; Font lock mode uses this only when it KNOWS a comment is starting.
+ (setq font-lock-comment-start-skip ";+ *")
(make-local-variable 'comment-add)
(setq comment-add 1) ;default to `;;' in comment-region
(make-local-variable 'comment-column)