# File lib/nokogiri/xml/node_set.rb, line 113 def xpath *paths ns = paths.last.is_a?(Hash) ? paths.pop : (document.root ? document.root.namespaces : {}) sub_set = NodeSet.new(document) each do |node| sub_set += node.xpath(*(paths + [ns])) end document.decorate(sub_set) sub_set end