patch 8.2.2920: still a way to shadow a builtin function Commit: https://github.com/vim/vim/commit/6f1d2aa437744a7cb0206fdaa543a788c5a56c79 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 1 21:21:55 2021 +0200 patch 8.2.2920: still a way to shadow a builtin function Problem: Still a way to shadow a builtin function. (Yasuhiro Matsumoto) Solution: Check the key when using extend(). (issue https://github.com/vim/vim/issues/8302)

" 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