patch 8.1.1412: test 30 is old style commit https://github.com/vim/vim/commit/72fcf07b0639b49be3305de141d777baa9c965a0 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 27 22:21:44 2019 +0200 patch 8.1.1412: test 30 is old style Problem: Test 30 is old style. Solution: Turn it into a new style test. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4440)

" Vim support file to switch off detection of file types
"
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last change:	2001 Jun 11

if exists("did_load_filetypes")
  unlet did_load_filetypes
endif

" Remove all autocommands in the filetypedetect group
silent! au! filetypedetect *