patch 9.0.0820: memory leak with empty shell command Commit: https://github.com/vim/vim/commit/03d6e6f42b0deeb02d52c8a48c14abe431370c1c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 29 21:53:08 2022 +0100 patch 9.0.0820: memory leak with empty shell command Problem: Memory leak with empty shell command. Solution: Free the empty string.

" 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>)