patch 8.2.2975: Vim9: can only use an autoload function name as a string Commit: https://github.com/vim/vim/commit/f0a4069e3df904ac6bd57718ec06e56c5d7363e4 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 11 22:05:47 2021 +0200 patch 8.2.2975: Vim9: can only use an autoload function name as a string Problem: Vim9: can only use an autoload function name as a string. Solution: Load the autoload script when encountered. (closes https://github.com/vim/vim/issues/8124)

" 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>)