patch 8.1.1486: a listener change is merged even when it adds a line
Problem: A listener change is merged even when it adds a line. (Paul Jolly)
Solution: Do not merge a change that adds or removes a line. (closes #4490)
diff --git a/src/change.c b/src/change.c
index 07985ee..fcaa570 100644
--- a/src/change.c
+++ b/src/change.c
@@ -186,6 +186,7 @@
|| (prev_lnume >= lnum && xtra != 0))
{
if (li->li_next == NULL && lnum == prev_lnum
+ && xtra == 0
&& col + 1 == (colnr_T)dict_get_number(
li->li_tv.vval.v_dict, (char_u *)"col"))
{