def comment(text)
      comment_node = ::Nokogiri::XML::Comment.new(doc, " #{text} ")
      current_element.add_child(comment_node)
    end
def comment(text)
      comment_node = ::Nokogiri::XML::Comment.new(doc, " #{text} ")
      current_element.add_child(comment_node)
    end
Generate a comment