patch 9.0.1309: scrolling two lines with even line count and 'scrolloff' set Commit: https://github.com/vim/vim/commit/1d6539cf36a7b6d1afe76fb6316fe662f543bf60 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 14 17:41:20 2023 +0000 patch 9.0.1309: scrolling two lines with even line count and 'scrolloff' set Problem: Scrolling two lines with even line count and 'scrolloff' set. Solution: Adjust how the topline is computed. (closes https://github.com/vim/vim/issues/10545)

|1+0&#ffff4012|2|3| +0&#ffffff0@4|x| @65
|1+0&#ffff4012|2|3|4|5|6|7| +0&#ffffff0|x| @65
|1+0&#ffff4012|2|3|4|5|6|7|8| +0&#ffffff0@7>x| @57
|1+0&#ffff4012|2|3|4|5|6|7|8|9| +0&#ffffff0@6|x| @57
@8|A+0&#ffff4012|B|C|x+0&#ffffff0| @62
@8|x|A+0&#ffff4012|B|C| +0&#ffffff0@62
|~+0#4040ff13&| @73
| +0#0000000&@56|3|,|2|-|1|7| @7|A|l@1|