2 single_page_link: //a[contains(@href, '/Print/')]
4 title: //div[@id="article"]/h2
5 author: //p[@class="byline"]/a
6 date: //p[@class="dateline"]/a[last()]
8 test_url: http://www.theregister.co.uk/2014/01/24/thirty_years_of_the_apple_macintosh_part_2/