# File lib/markaby/tags.rb, line 46
      def default_options
        super.merge({
          :output_xml_instruction => true,
          :output_meta_tag        => 'xhtml',
          :root_attributes        => {
            :xmlns      => 'http://www.w3.org/1999/xhtml',
            'xml:lang''xml:lang' => 'en',
            :lang       => 'en'
          }
        })
      end