patch 9.0.1543: display errors when making topline shorter Commit: https://github.com/vim/vim/commit/5d01f86d99bc3a3fd92d4f4e9338a9e78e9ebe16 Author: Luuk van Baal <luukvbaal@gmail.com> Date: Thu May 11 19:24:20 2023 +0100 patch 9.0.1543: display errors when making topline shorter Problem: Display errors when making topline shorter and 'smoothscroll' is set. Solution: Reset w_skipcol when the topline becomes shorter than its current value. (Luuk van Baal, closes #12367)

|<+0#4040ff13#ffffff0@2|t+0#0000000&|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t
|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o
|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o
|f| |t|e|x|t| |w|i|t|h| |l|o|t|s| |o|f| |t|e|x|t| |e|n|d| @11
|f|o|u>r| @35
@22|4|,|4| @10|B|o|t|