patch 8.1.2349: :lockvar and :unlockvar cannot be followed by "| endif" Commit: https://github.com/vim/vim/commit/cc4423ae13d78367a3d0b5756783523d3b3a1d31 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 26 17:05:00 2019 +0100 patch 8.1.2349: :lockvar and :unlockvar cannot be followed by "| endif" Problem: :lockvar and :unlockvar cannot be followed by "| endif". Solution: Check for following commands. (closes https://github.com/vim/vim/issues/5269)

" Test if fnameescape is correct for special chars like !
func 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! " . fname->fnameescape()
    let status = v:true
  endtry
  call assert_true(status, "ExclamationMark")
  call delete(fname)
endfunc