def _insert_attributes(attrs, order=[])
      return if attrs.nil?
      order.each do |k|
        v = attrs[k]
        @target << %{ #{k}=#{@quote}#{_attr_value(v)}#{@quote}} if v
      end
      attrs.each do |k, v|
        @target << %{ #{k}=#{@quote}#{_attr_value(v)}#{@quote}} unless order.member?(k) # " WART
      end
    end
def _insert_attributes(attrs, order=[])
      return if attrs.nil?
      order.each do |k|
        v = attrs[k]
        @target << %{ #{k}=#{@quote}#{_attr_value(v)}#{@quote}} if v
      end
      attrs.each do |k, v|
        @target << %{ #{k}=#{@quote}#{_attr_value(v)}#{@quote}} unless order.member?(k) # " WART
      end
    end
Insert the attributes (given in the hash).