patch 8.2.2340: win_execute() unexpectedly returns number zero when failing Commit: https://github.com/vim/vim/commit/37487e16da7877129edee8d11b9b7f5c8df312c6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 12 22:08:53 2021 +0100 patch 8.2.2340: win_execute() unexpectedly returns number zero when failing Problem: win_execute() unexpectedly returns number zero when failing. Solution: Return an empty string. (closes https://github.com/vim/vim/issues/7665)

" 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

" vim: shiftwidth=2 sts=2 expandtab