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.

|f+0&#ffffff0|o@1| |1| @64
|f+1&&|o@1| +0&&|2| @64
|f+0&#ffff4012|o@1| +0&#ffffff0|3| @64
|f+0&#ffff4012|o@1| +0&#ffffff0|4| @64
|f+0&#ffff4012|o@1| +0&#ffffff0|5| @64
|f|o@1| |6| @64
|f|o@1| |7| @64
|f|o@1| |8| @64
|:|5|,|2|s|/|f|o@1> @60