patch 8.1.0105: all tab stops are the same commit https://github.com/vim/vim/commit/04958cbaf25eea27eceedaa987adfb354ad5f7fd Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 23 19:23:02 2018 +0200 patch 8.1.0105: all tab stops are the same Problem: All tab stops are the same. Solution: Add the variable tabstop feature. (Christian Brabandt, closes #2711)

" 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