patch 8.2.0991: cannot get window type for autocmd and preview window Commit: https://github.com/vim/vim/commit/0fe937fd8616fcd24b1b1ef2ab9f1657615dd22c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 16 22:42:04 2020 +0200 patch 8.2.0991: cannot get window type for autocmd and preview window Problem: Cannot get window type for autocmd and preview window. Solution: Add types to win_gettype(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/6277)

" 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