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@4> |1+0&#ffff4012|2|3| +0&#ffffff0|x| @63
|x@4|1+0&#ffff4012|2|3| +0&#ffffff0|x| @64
|x@4|2+0&#ffff4012|3| +0&#ffffff0|x| @65
|x@4|3+0&#ffff4012| +0&#ffffff0|x| @66
|x@4| |x| @67
|x@3| |x@1| @67
|x@2| |1+0&#ffff4012|x+0&#ffffff0@1| @67
|x@1| |1+0&#ffff4012|2|x+0&#ffffff0@1| @67
|x| |1+0&#ffff4012|2|3|x+0&#ffffff0@1| @67
@1|1+0&#ffff4012|2|3| +0&#ffffff0|x@1| @67
|~+0#4040ff13&| @73
| +0#0000000&@56|1|,|6| @10|A|l@1|