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.

|x+0&#ffffff0@2| |y+2&#ffff4012|y+2&#e0e0e08@1| +0&&|z@2| | +0&#ffffff0@27
|x+0&#e0e0e08@2| |y+2&&@2| +0&&|z@2| | +0&#ffffff0@27
|x+0&#e0e0e08@2| |y+2&&>y+2&#ffff4012@1| +0&#ffffff0|z@2| @28
|~+0#4040ff13&| @38
|~| @38
|-+2#0000000&@1| |V|I|S|U|A|L| |-@1|3+0&&| @8|3|,|6| @10|A|l@1|