commit https://github.com/vim/vim/commit/155500077c80cdb5d9c63996000c011b66a676bf Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 31 18:45:24 2016 +0100 patch 7.4.1228 Problem: copy() and deepcopy() fail with special variables. (Nikolai Pavlov) Solution: Make it work. Add a test. Closes https://github.com/vim/vim/issues/614.

" 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