===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/grid-view.c,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -r1.28 -r1.29
--- src/usr.bin/tmux/grid-view.c	2017/02/16 12:43:08	1.28
+++ src/usr.bin/tmux/grid-view.c	2017/05/12 13:00:56	1.29
@@ -1,4 +1,4 @@
-/* $OpenBSD: grid-view.c,v 1.28 2017/02/16 12:43:08 nicm Exp $ */
+/* $OpenBSD: grid-view.c,v 1.29 2017/05/12 13:00:56 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -96,32 +96,34 @@
 
 /* Scroll region up. */
 void
-grid_view_scroll_region_up(struct grid *gd, u_int rupper, u_int rlower)
+grid_view_scroll_region_up(struct grid *gd, u_int rupper, u_int rlower,
+    u_int bg)
 {
 	if (gd->flags & GRID_HISTORY) {
-		grid_collect_history(gd, 8);
+		grid_collect_history(gd, bg);
 		if (rupper == 0 && rlower == gd->sy - 1)
-			grid_scroll_history(gd, 8);
+			grid_scroll_history(gd, bg);
 		else {
 			rupper = grid_view_y(gd, rupper);
 			rlower = grid_view_y(gd, rlower);
-			grid_scroll_history_region(gd, rupper, rlower);
+			grid_scroll_history_region(gd, rupper, rlower, bg);
 		}
 	} else {
 		rupper = grid_view_y(gd, rupper);
 		rlower = grid_view_y(gd, rlower);
-		grid_move_lines(gd, rupper, rupper + 1, rlower - rupper, 8);
+		grid_move_lines(gd, rupper, rupper + 1, rlower - rupper, bg);
 	}
 }
 
 /* Scroll region down. */
 void
-grid_view_scroll_region_down(struct grid *gd, u_int rupper, u_int rlower)
+grid_view_scroll_region_down(struct grid *gd, u_int rupper, u_int rlower,
+    u_int bg)
 {
 	rupper = grid_view_y(gd, rupper);
 	rlower = grid_view_y(gd, rlower);
 
-	grid_move_lines(gd, rupper + 1, rupper, rlower - rupper, 8);
+	grid_move_lines(gd, rupper + 1, rupper, rlower - rupper, bg);
 }
 
 /* Insert lines. */