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)

>w+0&#ffffff0|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| @34
|~+0#4040ff13&| @38
| +0#0000000&@21|1|,|1| @10|A|l@1|