patch 8.1.2208: Unix: Tabs in output might be expanded to spaces Commit: https://github.com/vim/vim/commit/faf626e5d1ca128e4bf943c4e505f08d428ed77e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 24 17:43:25 2019 +0200 patch 8.1.2208: Unix: Tabs in output might be expanded to spaces Problem: Unix: Tabs in output might be expanded to spaces. Solution: Reset the XTABS flag. (closes https://github.com/vim/vim/issues/5108)

" Tests for saving/loading a file with some lines ending in
" CTRL-M, some not
func Test_lineending()
  let l = ["this line ends in a\<CR>",
	      \ "this one doesn't",
	      \ "this one does\<CR>",
	      \ "and the last one doesn't"]
  set ta tx
  enew!
  call append(0, l)
  $delete
  write Xfile1
  bwipe Xfile1
  edit Xfile1
  let t = getline(1, '$')
  call assert_equal(l, t)
  new | only
  call delete('Xfile1')
endfunc