# File lib/sass/selector.rb, line 195
      def unify(sels)
        case sels.first
        when Universal;
        when Element; return unless name == sels.first.name
        else return [self] + sels
        end

        ns, accept = unify_namespaces(namespace, sels.first.namespace)
        return unless accept
        [Element.new(name, ns)] + sels[1..-1]
      end