lib/geos/point.rb
def to_georss(*args)
      xml = Geos::Helper.xml_options(*args)[0]
      xml.georss(:where) do
        xml.gml(:Point) do
          xml.gml(:pos, "#{self.lat} #{self.lng}")
        end
      end
    end
def to_georss(*args)
      xml = Geos::Helper.xml_options(*args)[0]
      xml.georss(:where) do
        xml.gml(:Point) do
          xml.gml(:pos, "#{self.lat} #{self.lng}")
        end
      end
    end
Build some XmlMarkup for GeoRSS. You should include the
 appropriate georss and gml XML namespaces in your document.