patch 9.0.1476: lines put in non-current window are not displayed Commit: https://github.com/vim/vim/commit/e7f05a8780426dc7af247419c6d02d5f1e896689 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 22 15:35:28 2023 +0100 patch 9.0.1476: lines put in non-current window are not displayed Problem: Lines put in non-current window are not displayed. (Marius Gedminas) Solution: Don't increment the topline when inserting just above it. (closes #12212)

|f+0&#ffffff0|o@1| |1| @64
|f+1&&|o|o+0&&| |2| @64
|f+0&#ffff4012|o|o+0&#ffffff0| |3| @64
|f|o@1| |4| @64
|f|o@1| |5| @64
|f|o@1| |6| @64
|f|o@1| |7| @64
|f|o@1| |8| @64
|:|2|,|3|s|u|b| @1|/|f|o> @57