Tidy up fix to debbugs#20240.

* jit-lock.el (jit-lock-after-change): Widen the buffer only
whilst putting the 'fontified text properties.

lisp/ChangeLog

+2015-04-05  Alan Mackenzie  <acm@muc.de>
+
+	* jit-lock.el (jit-lock-after-change): Widen the buffer only
+	whilst putting the 'fontified text properties.
+
 2015-04-05  Alan Mackenzie  <acm@muc.de>
 
 	Rationalize use of c[ad]+r, expunging cl-c[ad]\{3,4\}r.

lisp/jit-lock.el

@@ -650,14 +650,14 @@ will take place when text is fontified stealthily."
     (let ((jit-lock-start start)
           (jit-lock-end end))
       (with-buffer-prepared-for-jit-lock
-          (save-restriction
-	    (widen)
-	    (run-hook-with-args 'jit-lock-after-change-extend-region-functions
-				start end old-len)
-	    ;; Make sure we change at least one char (in case of deletions).
-	    (setq jit-lock-end (min (max jit-lock-end (1+ start)) (point-max)))
-	    ;; Request refontification.
-	    (put-text-property jit-lock-start jit-lock-end 'fontified nil)))
+       (run-hook-with-args 'jit-lock-after-change-extend-region-functions
+			   start end old-len)
+       ;; Make sure we change at least one char (in case of deletions).
+       (setq jit-lock-end (min (max jit-lock-end (1+ start)) (point-max)))
+       ;; Request refontification.
+       (save-restriction
+	 (widen)
+	 (put-text-property jit-lock-start jit-lock-end 'fontified nil)))
       ;; Mark the change for deferred contextual refontification.
       (when jit-lock-context-unfontify-pos
         (setq jit-lock-context-unfontify-pos