# File lib/nokogiri/xml/node.rb, line 270
      def add_next_sibling node_or_tags
        node_or_tags = coerce(node_or_tags)
        if node_or_tags.is_a?(XML::NodeSet)
          if '1.8.6' == RUBY_VERSION
            node_or_tags.reverse.each { |n| add_next_sibling_node n }
          else
            node_or_tags.reverse_each { |n| add_next_sibling_node n }
          end
        else
          add_next_sibling_node node_or_tags
        end
      end