patch 8.2.1976: cannot backspace in prompt buffer after using cursor-left Commit: https://github.com/vim/vim/commit/6f6244855fbce5aaa718cd5001a29aac3c5c15d6 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 11 20:52:40 2020 +0100 patch 8.2.1976: cannot backspace in prompt buffer after using cursor-left Problem: Cannot backspace in prompt buffer after using cursor-left. (Maxim Kim) Solution: Ignore "arrow_used" in a prompt buffer. (closes #7281)

" 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