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.

>1+0&#ffffff0| @73
|2| @73
|3| @73
|4| @32|3+0#0000001#ffd7ff255@4| | +0#0000000#a8a8a8255| +0&#ffffff0@33
|5| @32|4+0#0000001#ffd7ff255@1| @3| +0#0000000#0000001| +0&#ffffff0@33
|6| @32|5+0#0000001#ffd7ff255| @4| +0#0000000#0000001| +0&#ffffff0@33
|7| @32|6+0#0000001#ffd7ff255@5| +0#0000000#a8a8a8255| +0&#ffffff0@33
|8| @73
|9| @73
@57|1|,|1| @10|T|o|p|