1 files changed, 4 insertions, 1 deletions

diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index e1f35b179d3..9ce1ed1e8bc 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -365,14 +365,17 @@ can use \\[font-lock-fontify-buffer]."
     (set (make-local-variable 'font-lock-mode) on-p)
     (cond (on-p
            (font-lock-set-defaults)
+           (make-local-variable 'after-revert-hook)
+           ;;if buffer is reverted, must repeat fontification. 
+           (setq after-revert-hook 'font-lock-fontify-buffer)
            (run-hooks 'font-lock-mode-hook)
            (or font-lock-fontified (font-lock-fontify-buffer)))
           (font-lock-fontified
            (setq font-lock-fontified nil)
+           (setq after-revert-hook nil)
            (font-lock-unfontify-region (point-min) (point-max))))
     (force-mode-line-update)))
 
-
 (defun font-lock-fontify-buffer ()
   "Fontify the current buffer the way `font-lock-mode' would: