merge masterxwidget_mvp

1 files changed, 9 insertions, 6 deletions

diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index 93d677c67e7..3c1f01d5886 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -1,6 +1,6 @@
 ;;; font-lock.el --- Electric font lock mode
 
-;; Copyright (C) 1992-2015 Free Software Foundation, Inc.
+;; Copyright (C) 1992-2016 Free Software Foundation, Inc.
 
 ;; Author: Jamie Zawinski
 ;;	Richard Stallman
@@ -1302,15 +1302,18 @@ This function does 2 things:
                       (point-min))))
       (when (< end (point-max))
         (setq end
-              (if (get-text-property end 'font-lock-multiline)
-                  (or (text-property-any end (point-max)
-                                         'font-lock-multiline nil)
-                      (point-max))
+              (cond
+               ((get-text-property end 'font-lock-multiline)
+                (or (text-property-any end (point-max)
+                                       'font-lock-multiline nil)
+                    (point-max)))
+               ;; If `end' has been set by the function above, don't corrupt it.
+               (font-lock-extend-after-change-region-function end)
                 ;; Rounding up to a whole number of lines should include the
                 ;; line right after `end'.  Typical case: the first char of
                 ;; the line was deleted.  Or a \n was inserted in the middle
                 ;; of a line.
-                (1+ end))))
+               (t (1+ end)))))
       ;; Finally, pre-enlarge the region to a whole number of lines, to try
       ;; and anticipate what font-lock-default-fontify-region will do, so as to
       ;; avoid double-redisplay.