patch 8.2.0821: Vim9: memory leak in expr test Commit: https://github.com/vim/vim/commit/45a1508a229b1d1d2eb79cabe55a183dc18fd040 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 25 00:28:33 2020 +0200 patch 8.2.0821: Vim9: memory leak in expr test Problem: Vim9: memory leak in expr test. Solution: Do not decrement the length of the list of functions if the current function is not at the end.

" 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>)