patch 8.2.3706: text property highlighting is used on Tab Commit: https://github.com/vim/vim/commit/42eba04522d6be04393f59a9eab47833e7594650 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 30 20:22:49 2021 +0000 patch 8.2.3706: text property highlighting is used on Tab Problem: Text property highlighting is used on Tab. Solution: Only set in_linebreak when not on a Tab. (closes https://github.com/vim/vim/issues/9242)

" 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