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)

| +0&#ffd7ff255|r|i|g|h|t| |a|f|t|e|r| |t|h|e| | +0&#ffffff0@2|i+0&#ffd7ff255|n| |t|h|e| |m|i|d@1|l|e| |i|n| |t|h|e| |m|i|d@1|l|e| |i|n| |t|h|e| |m|i|d@1|l
|2+0&#ffffff0|1| |2@1| |2|3| |2|4| |2|5| |2|6| |2|7| |2|8| |2|9| |3|0| >3|1| |3|2| |3@1| |3|4| |3|5| |3|6| |3|7| |3|8| |3|9| |4|0| 
@60
@60
|~+0#4040ff13&| @58
|~| @58
|~| @58
| +0#0000000&@41|2|,|8|4| @9|A|l@1|