patch 8.2.2820: session file may divide by zero Commit: https://github.com/vim/vim/commit/b6c2e9a010ebd7db586081957e634903d4972fa1 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 30 21:37:51 2021 +0200 patch 8.2.2820: session file may divide by zero Problem: Session file may divide by zero. Solution: Avoid writing difide by zero. (closes https://github.com/vim/vim/issues/8162)

" 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>)