commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 24 14:40:12 2016 +0200 patch 7.4.1783 Problem: The old regexp engine doesn't handle character classes correctly. (Manuel Ortega) Solution: Use regmbc() instead of regc(). Add a test.

" 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 *