(abbrev-mode): Use force-mode-line-update.

diff --git a/lisp/abbrev.el b/lisp/abbrev.el
index 5144a66604f72d810c34fc1cf778a4bc1cb9e8a9..d6bdd9ed568e352d6b082a009699ddfb7ee17024 100644 (file)
--- a/lisp/abbrev.el
+++ b/lisp/abbrev.el
@@ -39,7 +39,7 @@ and be replaced by its expansion."
   (setq abbrev-mode
        (if (null arg) (not abbrev-mode)
          (> (prefix-numeric-value arg) 0)))
-  (set-buffer-modified-p (buffer-modified-p))) ;No-op, but updates mode line.
+  (force-mode-line-update))
 \f
 (defvar edit-abbrevs-map nil
   "Keymap used in edit-abbrevs.")