commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 24 15:18:32 2015 +0100 patch 7.4.937 Problem: Segfault reading unitialized memory. Solution: Do not read match \z0, it does not exist. (Marius Gedminas, closes https://github.com/vim/vim/issues/497)

" Vim support file to switch off loading plugins for file types
"
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2011 Oct 20

if exists("did_load_ftplugin")
  unlet did_load_ftplugin
endif

" Remove all autocommands in the filetypeplugin group, if any exist.
if exists("#filetypeplugin")
  silent! au! filetypeplugin *
endif