Warn for unnamed parameters.

      end

    end

    # print warning for each member with no name

    # print warning for each member or parameter with no name

    def warn_unnamed

      each_member do |member|

        if !member[:name] || member[:name] == ""

          warn("Unnamed #{member[:tagname]}", member)

        end

        (member[:params] || []).each do |p|

          if !p[:name] || p[:name] == ""

            warn("Unnamed parameter", member)

          end

        end

      end

    end