patch 8.2.4505: Vim9: outdated "autocmd nested" still works Commit: https://github.com/vim/vim/commit/f07751457c39a645009c17cd837131f6bcdd7d55 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 4 20:10:38 2022 +0000 patch 8.2.4505: Vim9: outdated "autocmd nested" still works Problem: Vim9: outdated "autocmd nested" still works. Solution: Do not accept the :autocmd argument "nested" without "++" in Vim9 script.

|f+0&#ffffff0|o@1| |1| @64
|f|o@1| |2| @64
|f+1&&|o@1| +0&&|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
|:|.|,|.|+|2|s|/|f|o@1> @58