# File lib/buildr/ide/idea.rb, line 177
      def add_facet(name, type)
        target = StringIO.new
        Builder::XmlMarkup.new(:target => target, :indent => 2).facet(:name => name, :type => type) do |xml|
          yield xml if block_given?
        end
        self.facets << REXML::Document.new(target.string).root
      end