patch 8.2.3177: Vim9: can not use "for _ in expr" at script level Commit: https://github.com/vim/vim/commit/ad2d4969e1616d3a0354c181e3a09271d5433b3d Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 18 17:08:50 2021 +0200 patch 8.2.3177: Vim9: can not use "for _ in expr" at script level Problem: Vim9: can not use "for _ in expr" at script level. Solution: Skip assignment if the loop variable is "_".

" 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>)