patch 8.2.0492: Vim9: some error messages not tested Commit: https://github.com/vim/vim/commit/a8c1770469504ae66c80bbdb03b6b31641215848 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 1 21:17:24 2020 +0200 patch 8.2.0492: Vim9: some error messages not tested Problem: Vim9: some error messages not tested. Solution: Add more tests. Remove dead code. Fix uncovered bugs.

" Vim filetype plugin file
" Language:	Diff
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2005 Jul 27

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

let b:undo_ftplugin = "setl modeline<"

" Don't use modelines in a diff, they apply to the diffed file
setlocal nomodeline