patch 8.0.1432: after ":copen" can't get the window-ID of the quickfix window commit https://github.com/vim/vim/commit/2ec364e94dbc080ccdf6c5dfc6f1653b5b7ded64 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 27 11:52:13 2018 +0100 patch 8.0.1432: after ":copen" can't get the window-ID of the quickfix window Problem: After ":copen" can't get the window-ID of the quickfix window. (FalacerSelene) Solution: Make it work without a quickfix list. Add a test. (Yegappan Lakshmanan, closes #2541)

" 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