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 filetype plugin file
" Language:	Objective C
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2003 Jan 15

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

" Behaves just like C
runtime! ftplugin/c.vim ftplugin/c_*.vim ftplugin/c/*.vim