commit https://github.com/vim/vim/commit/a641e1d4da3f9152c489318c06a93fcd1c746637 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 13 21:16:03 2016 +0200 patch 7.4.1931 Problem: Using both old and new style file mark lines from viminfo. Solution: Skip the old style lines if the viminfo file was written with a Vim version that supports the new style.

" 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<"