patch 8.2.3104: Vim9: unspecified function type causes type error Commit: https://github.com/vim/vim/commit/b7480cd8931fa1696265f75c7d4d9fdf0be69e12 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 4 18:28:15 2021 +0200 patch 8.2.3104: Vim9: unspecified function type causes type error Problem: Vim9: unspecified function type causes type error. Solution: Don't check type when min_argcount is negative. (issue https://github.com/vim/vim/issues/8492)

" 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