patch 8.2.4367: calling in_vim9script() multiple times Commit: https://github.com/vim/vim/commit/4525a57afbea3e0885642bbebbc24d5a25c97da9 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 13 11:57:33 2022 +0000 patch 8.2.4367: calling in_vim9script() multiple times Problem: Calling in_vim9script() multiple times. Solution: Call it once and keep the result.

" 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>)