commit https://github.com/vim/vim/commit/bb09ceb95477ecc271854b3fdd8d2776eca66adf Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 18 16:27:23 2016 +0200 patch 8.0.0045 Problem: Calling job_stop() right after job_start() does not work. Solution: Block signals while fork is still busy. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/1155)

" 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