# File lib/nokogiri/xml.rb, line 48
      def Reader string_or_io, url = nil, encoding = nil, options = ParseOptions::STRICT

        options = Nokogiri::XML::ParseOptions.new(options) if Fixnum === options
        # Give the options to the user
        yield options if block_given?

        if string_or_io.respond_to? :read
          return Reader.from_io(string_or_io, url, encoding, options.to_i)
        end
        Reader.from_memory(string_or_io, url, encoding, options.to_i)
      end