add (REXML::Elements)

    # File temp/element.rb, line 839
                    def add element=nil
                            rv = nil
                            if element.nil?
                                    Element.new "", self, @element.context
                            elsif not element.kind_of?(Element)
                                    Element.new element, self, @element.context
                            else
                                    @element << element
                                    element.context = @element.context
                                    element
                            end
                    end