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:      BibTeX
" Maintainer:    Dorai Sitaram <ds26@gte.com>
" URL:		 http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
" Last Change:   2005 Mar 28

" Only do this when not done yet for this buffer
if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

setlocal cindent

let b:undo_indent = "setl cin<"