patch 8.0.0195: fail to jump to static tag in current file commit https://github.com/vim/vim/commit/a9d23c20879d0dcb289a4db54b3c7df060f87c3c Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 16 20:53:34 2017 +0100 patch 8.0.0195: fail to jump to static tag in current file Problem: Jumping to a tag that is a static item in the current file fails. (Kazunobu Kuriyama) Solution: Make sure the first byte of the tag key is not NUL. (Suggested by James McCoy, closes #1387)

" 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