patch 8.0.0188: redrawing for 'cursorbind' is inefficient
Problem: Using NOT_VALID for redraw_later() to update the cursor
line/column highlighting is not efficient.
Solution: Call validate_cursor() when 'cul' or 'cuc' is set.
diff --git a/src/move.c b/src/move.c
index 5968a8b..e2639fd 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2841,17 +2841,15 @@
restart_edit_save = restart_edit;
restart_edit = TRUE;
check_cursor();
-# ifdef FEAT_SYN_HL
- if (curwin->w_p_cuc)
+ if (curwin->w_p_cul || curwin->w_p_cuc)
validate_cursor();
-# endif
restart_edit = restart_edit_save;
# ifdef FEAT_MBYTE
/* Correct cursor for multi-byte character. */
if (has_mbyte)
mb_adjust_cursor();
# endif
- redraw_later(curwin->w_p_cul ? NOT_VALID : VALID);
+ redraw_later(VALID);
/* Only scroll when 'scrollbind' hasn't done this. */
if (!curwin->w_p_scb)