commit https://github.com/vim/vim/commit/4fc563b397949ce23190045112fa08c0776a56e6 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 12 12:40:58 2016 +0100 patch 7.4.1538 Problem: Selection with the mouse does not work in command line mode. Solution: Use cairo functions. (Kazunobu Kuriyama)

" 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