search (Nokogiri::XML::Node)

    # File lib/nokogiri/xml/node.rb, line 94
          def search *paths
            ns = paths.last.is_a?(Hash) ? paths.pop :
              (document.root ? document.root.namespaces : {})
            xpath(*(paths.map { |path|
              path = path.to_s
              path =~ /^(\.\/|\/)/ ? path : CSS.xpath_for(
                path,
                :prefix => ".//",
                :ns     => ns
              )
            }.flatten.uniq) + [ns])
          end