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.

| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0@72
| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0@1| @70
|-+0&#ffff4012|)>m+0#0000001#ffd7ff255@3| @68
| +0#0000e05#a8a8a8255@1|y+0#0000000#ffffff0@3| @68
|~+0#4040ff13&| @73
|:+0#0000000&|s|i|g|n| |p|l|a|c|e| |1@1| |l|i|n|e|=|2| |n|a|m|e|=|s|2| @27|2|,|1| @10|A|l@1|