patch 8.2.2652: Vim9: can use command modifier without an effect Commit: https://github.com/vim/vim/commit/fa984418e7becd8e7d6543cd3ea25f605e9ac97f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 25 22:15:28 2021 +0100 patch 8.2.2652: Vim9: can use command modifier without an effect Problem: Vim9: can use command modifier without an effect. Solution: Give an error for a misplaced command modifier. Fix error message number.

" Vim indent file
" Language:	generic Changelog file
" Maintainer:	noone
" Last Change:	2005 Mar 29

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
   finish
endif
let b:did_indent = 1

setlocal ai

let b:undo_indent = "setl ai<"