commit https://github.com/vim/vim/commit/e381d3d5e098546854b008e01ca1d28ba1a4a057 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 7 14:50:41 2016 +0200 patch 7.4.1992 Problem: Values for true and false can be confusing. Solution: Update the documentation. Add a test. Make v:true evaluate to TRUE for a non-zero-arg.

" 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