patch 8.2.2764: memory leak when default function argument is allocated Commit: https://github.com/vim/vim/commit/b47bed2f7ada4dfae78f76f27473b83507e40315 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 14 17:06:43 2021 +0200 patch 8.2.2764: memory leak when default function argument is allocated Problem: Memory leak when default function argument is allocated. Solution: Free the expression 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>)