# File lib/rexml/element.rb, line 295
    def add_element element, attrs=nil
      raise "First argument must be either an element name, or an Element object" if element.nil?
      el = @elements.add(element)
      attrs.each do |key, value|
        el.attributes[key]=Attribute.new(key,value,self)
      end       if attrs.kind_of? Hash
      el
    end