patch 8.0.1531: cannot use 24 bit colors in MS-Windows console commit https://github.com/vim/vim/commit/cafafb381a04e33f3ce9cd15dd9f94b73226831f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 22 21:07:09 2018 +0100 patch 8.0.1531: cannot use 24 bit colors in MS-Windows console Problem: Cannot use 24 bit colors in MS-Windows console. Solution: Add support for vcon. (Nobuhiro Takasaki, Ken Takasaki, fixes #1270, fixes #2060)

" Test if fnameescape is correct for special chars like !
function! Test_fnameescape()
  let fname = 'Xspa ce'
  let status = v:false
  try
    exe "w! " . fnameescape(fname)
    let status = v:true
  endtry
  call assert_true(status, "Space")
  call delete(fname)

  let fname = 'Xemark!'
  let status = v:false
  try
    exe "w! " . fnameescape(fname)
    let status = v:true
  endtry
  call assert_true(status, "ExclamationMark")
  call delete(fname)
endfunction