patch 8.2.2739: Vim9: a lambda accepts too many arguments at the script level Commit: https://github.com/vim/vim/commit/767034c5b82ba8999d9fed2f997436e6e3e99419 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 9 17:24:52 2021 +0200 patch 8.2.2739: Vim9: a lambda accepts too many arguments at the script level Problem: Vim9: a lambda accepts too many arguments at the script level. Solution: Do not set uf_varargs in Vim9 script.

" 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