patch 8.2.3123: Vim9: confusing error when using white space after option Commit: https://github.com/vim/vim/commit/1594f313452cf6ca88375d9c8f68605a9c3c8ab5 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 8 16:40:13 2021 +0200 patch 8.2.3123: Vim9: confusing error when using white space after option Problem: Vim9: confusing error when using white space after option, before one of "!&<". Solution: Give a specific error. (issue #8408)

" Settings for test script execution
" Always use "sh", don't use the value of "$SHELL".
set shell=sh

" Only when the +eval feature is present. 
if 1
  " While some tests overwrite $HOME to prevent them from polluting user files,
  " we need to remember the original value so that we can tell external systems
  " where to ask about their own user settings.
  let g:tester_HOME = $HOME
endif

source setup.vim