compile (ActionView::TemplateHandlers::Builder)

    # File lib/action_view/template_handlers/builder.rb, line 12
          def compile(template)
            content_type_handler = (@view.send!(:controller).respond_to?(:response) ? "controller.response" : "controller")
            "#{content_type_handler}.content_type ||= Mime::XML\n" +
            "xml = ::Builder::XmlMarkup.new(:indent => 2)\n" +
            template.source +
            "\nxml.target!\n"
          end