patch 8.1.0011: maparg() and mapcheck() confuse empty and non-existing commit https://github.com/vim/vim/commit/f88a5bc10232cc3fac92dba4e8455f4c14311f8e Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 21 13:28:44 2018 +0200 patch 8.1.0011: maparg() and mapcheck() confuse empty and non-existing Problem: maparg() and mapcheck() confuse empty and non-existing. Solution: Return <Nop> for an existing non-empty mapping. (closes https://github.com/vim/vim/issues/2940)

" 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 *