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)

|a+0&#ffffff0|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|s+0#e000e06&|o|m|e| |v|i|r
|t|u|a|l| |t|e|x|t|d+0#0000000&|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f| |a|s|d|f> @8
|~+0#4040ff13&| @48
|~| @48
|~| @48
| +0#0000000&@31|1|,|7|5|-|9|2| @6|A|l@1|