patch 8.2.2806: Vim9: using "++nr" as a command might not work Commit: https://github.com/vim/vim/commit/bdc0f1c6986e5d64f647e0924a4de795b47c549a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 24 19:08:24 2021 +0200 patch 8.2.2806: Vim9: using "++nr" as a command might not work Problem: Vim9: using "++nr" as a command might not work. Solution: Do not recognize "++" and "--" in a following line as addition or subtraction.