# File lib/xsd/xmlparser/nokogiri.rb, line 65
      def start_element_namespace name, attrs = [], prefix = nil, uri = nil, ns = []
        ###
        # Deal with SAX v1 interface
        name = [prefix, name].compact.join(':')
        attributes = ns.map { |ns_prefix,ns_uri|
          [['xmlns', ns_prefix].compact.join(':'), ns_uri]
        } + attrs.map { |attr|
          [[attr.prefix, attr.localname].compact.join(':'), attr.value]
        }.flatten
        start_element name, attributes
      end