patch 8.1.1805: au_did_filetype is declared twice commit https://github.com/vim/vim/commit/6cd57d44669c02af9195f5601b882edd435b47e8 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 3 23:08:14 2019 +0200 patch 8.1.1805: au_did_filetype is declared twice Problem: Au_did_filetype is declared twice. Solution: Remove it from autocmd.c. (closes https://github.com/vim/vim/issues/4767)

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim