patch 8.2.3925: diff mode confused by NUL bytes Commit: https://github.com/vim/vim/commit/06f6095623cfcc72da08748c058d13b465652fd4 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 28 18:30:05 2021 +0000 patch 8.2.3925: diff mode confused by NUL bytes Problem: Diff mode confused by NUL bytes. Solution: Handle NUL bytes differently. (Christian Brabandt, closes https://github.com/vim/vim/issues/9421, closes #9418)

" Test feedkeys() function.

func Test_feedkeys_x_with_empty_string()
  new
  call feedkeys("ifoo\<Esc>")
  call assert_equal('', getline('.'))
  call feedkeys('', 'x')
  call assert_equal('foo', getline('.'))

  " check it goes back to normal mode immediately.
  call feedkeys('i', 'x')
  call assert_equal('foo', getline('.'))
  quit!
endfunc

" vim: shiftwidth=2 sts=2 expandtab