patch 8.2.4552: in a :def function "put = expr" does not work Commit: https://github.com/vim/vim/commit/d0b7bfa95798f5ec743d8afffbffb83aeac823da Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 12 14:51:16 2022 +0000 patch 8.2.4552: in a :def function "put = expr" does not work Problem: In a :def function "put = expr" does not work. Solution: Skip over white space. (closes https://github.com/vim/vim/issues/9936)

" 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