Fix bug: when buffer visible in two or more windows, buffer change

that affected the modeline didn't update the modeline unless the
change was visible in the window.

diff --git a/v7/src/edwin/bufwiu.scm b/v7/src/edwin/bufwiu.scm
index 8b19f2f95fdf30959e515c1f3b766768b069411f..a96933644540c18733dec662fe282f0585c3c700 100644 (file)
--- a/v7/src/edwin/bufwiu.scm
+++ b/v7/src/edwin/bufwiu.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Id: bufwiu.scm,v 1.25 1993/09/23 07:06:56 cph Exp $
+;;;    $Id: bufwiu.scm,v 1.26 1993/10/27 01:59:35 cph Exp $
 ;;;
 ;;;    Copyright (c) 1986, 1989-93 Massachusetts Institute of Technology
 ;;;
@@ -60,9 +60,7 @@
          (if (not (%window-force-redraw? window))
              ;; If this change intersects the visible region of the
              ;; buffer, request a display update.
-             (if (and start
-                      (fix:<= (%window-current-start-index window) end)
-                      (fix:<= start (%window-current-end-index window)))
+             (if start
                  (window-needs-redisplay! window)
                  ;; Otherwise mark the window to indicate that it has
                  ;; been updated to reflect these changes.
@@ -307,7 +305,8 @@
       (cond ((fix:= wlstart start-index)
             (cond ((fix:= wlsy start-y)
                    (if (%window-point-moved? window)
-                       (update-cursor! window)))
+                       (update-cursor! window)
+                       (%window-modeline-event! window 'PRESERVE-ALL!)))
                   ((fix:< wlsy start-y)
                    (scroll-up wlsy))
                   (else