patch 8.2.2464: using freed memory if window closed in autocommand Commit: https://github.com/vim/vim/commit/8ab375706e6712308f8cf7529bcae56684a6f385 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 3 21:56:59 2021 +0100 patch 8.2.2464: using freed memory if window closed in autocommand Problem: Using freed memory if window closed in autocommand. (houyunsong) Solution: Check the window still exists.

" 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