patch 8.0.1717: C89 check causes too much trouble commit https://github.com/vim/vim/commit/3cba73423e5304ef7ccdb2280d65562d2f06f483 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 15 13:12:46 2018 +0200 patch 8.0.1717: C89 check causes too much trouble Problem: C89 check causes too much trouble. Solution: Remove enforcing C89 for now.

" 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<"