patch 8.1.2111: viminfo file not sufficiently tested Commit: https://github.com/vim/vim/commit/2a8d3b8997d4fe94bc9c02ae04e873eab2f13b09 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Oct 4 21:20:25 2019 +0200 patch 8.1.2111: viminfo file not sufficiently tested Problem: Viminfo file not sufficiently tested. Solution: Add more tests. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/5009)

" 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