1 date: //article//time[@pubdate]
2 body: //article/div[@id="post-wide"]
3 title: //article/header/h2
4 strip: /div[@id="comment"]
6 author: substring-after(//footer/p[@class='byline'] , 'By')
7 test_url: http://hackmake.org/2012/12/21/mindfulness-of-concentration