Export Plug command as plug# function
Export Plug command as plug# function

https://github.com/junegunn/vim-plug/issues/477#issuecomment-212746298

One can directly use it to redefine Plug command:

    function! s:plug_with_default(...)
      call plug#(a:1, extend(get(g:, 'plug_opts', {}), get(a:000, 1, {})))
    endfunction
    command! -nargs=+ Plug call s:plug_with_default(<args>)

msp301/vimrc