commit https://github.com/vim/vim/commit/95ec9d6a6ab3117d60ff638670a803d43974ba51 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 12 18:29:59 2016 +0200 patch 7.4.2201 Problem: The sign column disappears when the last sign is deleted. Solution: Add the 'signcolumn' option. (Christian Brabandt)

" 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