patch 8.2.1351: Vim9: no proper error if using namespace for nested function Commit: https://github.com/vim/vim/commit/bcbf41395f93aabd577a17dc4fbabe523d0a7ce8 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 1 22:35:13 2020 +0200 patch 8.2.1351: Vim9: no proper error if using namespace for nested function Problem: Vim9: no proper error if using namespace for nested function. Solution: Specifically check for a namespace. (closes https://github.com/vim/vim/issues/6582)

" 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>)