patch 8.2.0829: filter() may give misleading error message Commit: https://github.com/vim/vim/commit/fcb0b61d15f66f0e9116a6bc56d9d8105bb913cf Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 26 20:22:01 2020 +0200 patch 8.2.0829: filter() may give misleading error message Problem: filter() may give misleading error message. Solution: Also mention Blob as an allowed argument.

" 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>)