# File lib/prawn_rails.rb, line 13
      def prawn_document(opts={})
        download = opts.delete(:force_download)
        filename = opts.delete(:filename)
        pdf = (opts.delete(:renderer) || Prawn::Document).new(opts)
        yield pdf if block_given?

        disposition(download, filename) if (download || filename)

        pdf.render
      end