patch 8.2.2330: Vim9: crash when using :trow in a not executed block Commit: https://github.com/vim/vim/commit/9e1d9e3473f852735ffd605a0fa4d224b81a4f0c Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 11 20:17:34 2021 +0100 patch 8.2.2330: Vim9: crash when using :trow in a not executed block Problem: Vim9: crash when using :trow in a not executed block. Solution: Don't generate the instruction when skipping. (closes https://github.com/vim/vim/issues/7659)

" 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>)