patch 8.2.3239: Vim9: no error using heredoc for a number variable Commit: https://github.com/vim/vim/commit/81530e36033dec2c2cd94af6dd48ceb0389e95a2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 28 21:25:49 2021 +0200 patch 8.2.3239: Vim9: no error using heredoc for a number variable Problem: Vim9: no error using heredoc for a number variable. Solution: Add a type check. (closes https://github.com/vim/vim/issues/8627)

" 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