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)

|o+0&#ffffff0|n|e| |o|n|e| |o|n|e| @1|o|n|e| |o|n|e| |o|n|e| |o|n|e| @11
| +0#4040ff13&|>@2| |o+0#0000000&|n|e| |o+0&#ffd7d7255|n+0&#ffffff0|e| |o|n|e| |o|n|e| @19
|t|w|o| |t|w|o| |t|w|o| |t|w|o| |||h|i|d@1|e|n||| |h|e|r|e| |t|w|o| |t|w>o| @2
|t|h|r|e@1| @1|t|h|r|e@1| |t|h|r|e@1| |t|h|r|e@1| |t|h|r|e@1| @9
| +0#4040ff13&|>@2| |t+0#0000000&|h|r|e|e+0&#ffd7d7255| +0&#ffffff0|t|h|r|e@1| |t|h|r|e@1| |t|h|r|e@1| @11
|~+0#4040ff13&| @38
|~| @38
|~| @38
|~| @38
|/+0#0000000&|h|e|r|e| @16|2|,|3|7| @9|A|l@1|