patch 8.1.1924: using empty string for current buffer is unexpected Commit: https://github.com/vim/vim/commit/a8eee21e75324d199acb1663cb5009e03014a13a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 24 22:14:58 2019 +0200 patch 8.1.1924: using empty string for current buffer is unexpected Problem: Using empty string for current buffer is unexpected. Solution: Make the argument optional for bufname() and bufnr().

" 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