patch 9.0.1589: filetype test contains too many special characters Commit: https://github.com/vim/vim/commit/b140c114f641ac4cd4fb04e7bdec031295264a8d Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 29 17:06:05 2023 +0100 patch 9.0.1589: filetype test contains too many special characters Problem: Filetype test contains too many special characters. Solution: Use Vim9 syntax for a few things.

" Provide 'PrintVer' command to print the interface versions.

func s:print_ver(lang, ...)
  if has(a:lang)
    exec a:lang join(a:000)
  else
    echo 'N/A'
  endif
  echo ''
endfunc

command -nargs=+ PrintVer call <SID>print_ver(<f-args>)