updated for version 7.3.106
Problem: When 'cursorbind' is set another window may scroll unexpectedly
when 'scrollbind' is also set. (Xavier Wang)
Solution: Don't call update_topline() if 'scrollbind' is set.
diff --git a/src/move.c b/src/move.c
index 1730631..447445b 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2882,9 +2882,11 @@
if (has_mbyte)
mb_adjust_cursor();
# endif
-
redraw_later(VALID);
- update_topline();
+
+ /* Only scroll when 'scrollbind' hasn't done this. */
+ if (!curwin->w_p_scb)
+ update_topline();
# ifdef FEAT_WINDOWS
curwin->w_redr_status = TRUE;
# endif