patch 9.0.1568: with 'smoothscroll' cursor may move below botline Commit: https://github.com/vim/vim/commit/d49f646bf56b29d44bbb16e79bc877b59aab38ac Author: Luuk van Baal <luukvbaal@gmail.com> Date: Fri May 19 14:04:47 2023 +0100 patch 9.0.1568: with 'smoothscroll' cursor may move below botline Problem: With 'smoothscroll' cursor may move below botline. Solution: Call redraw_later() if needed, Compute cursor row with adjusted condition. (Luuk van Baal, closes #12415)

>5+0&#ffffff0|1| @72
|5|2| @72
|5|3| @72
|5|4| @72
|5@1| @72
|5|6| @72
|5|7| @72
|5|8| @72
|5|9| @72
@57|5|0|,|1| @9|5|4|%|