# File lib/rdf/redland/parser.rb, line 143
    def feature(uri)
      if uri.class == String then uri = Uri.new(uri) end
      value = Redland::librdf_parser_get_feature(@parser,uri.uri)
      if value == "NULL" or value == nil
        return nil
      else
        return Node.new(:from_object=>'value')
      end
    end