patch 9.0.1512: inserting lines when scrolling with 'smoothscroll' set Commit: https://github.com/vim/vim/commit/c8502f9b880b6d23baa4f9d28b60e1ceb442e35f Author: Luuk van Baal <luukvbaal@gmail.com> Date: Sat May 6 12:40:15 2023 +0100 patch 9.0.1512: inserting lines when scrolling with 'smoothscroll' set Problem: Inserting lines when scrolling with 'smoothscroll' set. Solution: Adjust line height computation for w_skipcol. (Luuk van Baal, closes #12350)

|o+0&#ffffff0|n|e| |t|w|o| |t|h|r|e@1| |f|o|u|r| |f|i|v|e| @51
|a|n|d| |o|n|e| |t|w|o| |X+0&#e0e0e08|t|h|r|e@1> +0&#ffffff0|f|o|u|r| |f|i|v|e| @46
|o|n|e| |m|o|r|e| |t|w|o| |t|h|r|e@1| |f|o|u|r| |f|i|v|e| @46
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|-+2#0000000&@1| |V|I|S|U|A|L| |-@1| +0&&@34|7| @8|2|,|1|9| @9|A|l@1|