patch 8.1.2303: cursor in wrong position after horizontal scroll Commit: https://github.com/vim/vim/commit/08f23636aef595f4cc061dfee8248dca97df16b3 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 16 14:19:33 2019 +0100 patch 8.1.2303: cursor in wrong position after horizontal scroll Problem: Cursor in wrong position after horizontal scroll. Solution: Set w_valid_leftcol. (closes https://github.com/vim/vim/issues/5214, closes https://github.com/vim/vim/issues/5224)

" 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