commit https://github.com/vim/vim/commit/1610d052413e0ed664498853a47acc2d677a22d1 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 22:53:01 2016 +0200 patch 7.4.1913 Problem: When ":doautocmd" is used modelines are used even when no autocommands were executed. (Daniel Hahler) Solution: Skip processing modelines. (closes https://github.com/vim/vim/issues/854)

" Vim indent file
" Language:	C++
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2008 Nov 29

" 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<"