commit https://github.com/vim/vim/commit/c8ce615299b4d8c1b2e6cf83496f48cd497d8a37 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 7 13:48:20 2016 +0200 patch 7.4.2174 Problem: Adding duplicate flags to 'whichwrap' leaves commas behind. Solution: Also remove the commas. (Naruhiko Nishino)

" 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