patch 8.2.0298: Vim9 script: cannot start command with a string constant Commit: https://github.com/vim/vim/commit/0c6ceaf90389b41545d803458c4813013811c756 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 22 18:36:32 2020 +0100 patch 8.2.0298: Vim9 script: cannot start command with a string constant Problem: Vim9 script: cannot start command with a string constant. Solution: Recognize expression starting with '('.

" 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