patch 8.2.1552: warnings from asan with clang-11 Commit: https://github.com/vim/vim/commit/64f37d309025a65210dbc33823ec9ec5d547775f Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 31 19:58:13 2020 +0200 patch 8.2.1552: warnings from asan with clang-11 Problem: Warnings from asan with clang-11. (James McCoy) Solution: Avoid using a NULL pointer. (issue https://github.com/vim/vim/issues/6811)

" 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>)