patch 8.2.3999: redundant check for NUL byte Commit: https://github.com/vim/vim/commit/c024ed9233feac4c8da7394a62bb50474803514f Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Jan 4 16:22:52 2022 +0000 patch 8.2.3999: redundant check for NUL byte Problem: Redundant check for NUL byte. Solution: Remove the check for a NUL byte. (closes https://github.com/vim/vim/issues/9471)

" 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>)