patch 8.2.1328: no space allowed before comma in list Commit: https://github.com/vim/vim/commit/4d4d1cd5c8b61ef0296bd6190ca2a0b2d6d96ba7 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 30 22:14:33 2020 +0200 patch 8.2.1328: no space allowed before comma in list Problem: No space allowed before comma in list. Solution: Legacy Vim script allows it. (closes https://github.com/vim/vim/issues/6577)

" 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>)