(try_window, try_window_reusing_current_matrix):

When at end of window, set window_end_pos to Z-ZV.

diff --git a/src/xdisp.c b/src/xdisp.c
index fa9854da76337c0c3917edd84922487797a17b45..940db9ced315d55f9cd17eb3659d4d52b35bdb74 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -12006,8 +12006,9 @@ try_window (window, pos)
     }
   else
     {
-      w->window_end_bytepos = 0;
-      w->window_end_pos = w->window_end_vpos = make_number (0);
+      w->window_end_bytepos = Z_BYTE - ZV_BYTE;
+      w->window_end_pos = make_number (Z - ZV);
+      w->window_end_vpos = make_number (0);
     }
 
   /* But that is not valid info until redisplay finishes.  */
@@ -12220,8 +12221,9 @@ try_window_reusing_current_matrix (w)
       else
        {
          /* This window must be completely empty.  */
-         w->window_end_bytepos = 0;
-         w->window_end_pos = w->window_end_vpos = make_number (0);
+         w->window_end_bytepos = Z_BYTE - ZV_BYTE;
+         w->window_end_pos = make_number (Z - ZV);
+         w->window_end_vpos = make_number (0);
        }
       w->window_end_valid = Qnil;