patch 9.0.0458: splitting a line with a text prop "above" moves it down Commit: https://github.com/vim/vim/commit/3b93cf218fc70897c11de0415221e7899e9a527a Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 13 18:34:18 2022 +0100 patch 9.0.0458: splitting a line with a text prop "above" moves it down Problem: Splitting a line with a text prop "above" moves it to a new line below. Solution: Keep an "above" text prop above the first line.

|s+0&#ffffff0|o|m+0&#e0e0e08|e| | +0#4040ff13#40ffff15|i|n|s|e|r|t|e|d| |t+0#0000000#e0e0e08|e|x|t| |h|e>r+0&#ffffff0|e| @35
|~+0#4040ff13&| @58
|~| @58
|~| @58
|~| @58
|-+2#0000000&@1| |V|I|S|U|A|L| |-@1| +0&&@19|1@1| @7|1|,|1|3|-|2|3| @6|A|l@1|