patch 8.2.3166: Vim9: nested autoload call error overruled by "Unknown error" Commit: https://github.com/vim/vim/commit/b5841b99e678da187b68c21f46d56a608a0dc10c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 15 18:09:53 2021 +0200 patch 8.2.3166: Vim9: nested autoload call error overruled by "Unknown error" Problem: Vim9: nested autoload call error overruled by "Unknown error". Solution: Check need_rethrow before giving an "Unknown error". (closes #8568)

" 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>)