patch 8.0.1012: MS-Windows: problem with $HOME when is was set internally commit https://github.com/vim/vim/commit/48340b62e812dc9280f621a2eb6db76d43555c66 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 29 22:08:53 2017 +0200 patch 8.0.1012: MS-Windows: problem with $HOME when is was set internally Problem: MS-Windows: Problem with $HOME when is was set internally. Solution: Only use the $HOME default internally. (Yasuhiro Matsumoto, closes #2013)

" Vim filetype plugin file
" Language:	C++
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2001 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