patch 8.1.0692: if a buffer was deleted a channel can't write to it commit https://github.com/vim/vim/commit/8b62d87e4243d3dc9bf4f17bfe1a8953077a70c9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 5 00:02:57 2019 +0100 patch 8.1.0692: if a buffer was deleted a channel can't write to it Problem: If a buffer was deleted a channel can't write to it. Solution: When the buffer exists but was unloaded, prepare it for writing. (closes #3764)

" 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