# File lib/dm-serializer/xml/rexml.rb, line 15
        def self.add_node(parent, name, value, attrs = {})
          node = parent.add_element(name)

          attrs.each do |attr_name, attr_val|
            node.attributes[attr_name] = attr_val
          end

          node << ::REXML::Text.new(value.to_s) unless value.nil?
          node
        end