patch 8.1.1778: not showing the popup window right border is confusing commit https://github.com/vim/vim/commit/8c8b88d0ccb7204bb829669885c2e886b7f483bf Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 30 20:32:41 2019 +0200 patch 8.1.1778: not showing the popup window right border is confusing Problem: Not showing the popup window right border is confusing. Solution: Also show the border when there is no close button. (closes https://github.com/vim/vim/issues/4747)

" 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