patch 8.2.2540: Vim9: no error for using script var name for argument Commit: https://github.com/vim/vim/commit/b4893b84507570f24af32597716ffb67fb0ef24e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 21 22:20:24 2021 +0100 patch 8.2.2540: Vim9: no error for using script var name for argument Problem: Vim9: no error for using script var name for argument. Solution: Check for this error. (closes https://github.com/vim/vim/issues/7868)

" 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>)