patch 8.1.0506: modeline test fails when run by root commit https://github.com/vim/vim/commit/9691f82f862ed18c2e3e48f9d2cd902bb947f803 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 3 19:06:25 2018 +0100 patch 8.1.0506: modeline test fails when run by root Problem: Modeline test fails when run by root. Solution: Set 'modeline' for the test. (James McCoy, closes https://github.com/vim/vim/issues/3592)

" Vim indent file
" Language:	C
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2005 Mar 27

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

" C indenting is built-in, thus this is very simple
setlocal cindent

let b:undo_indent = "setl cin<"