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single_page_link: //li[@class='singlePage']/a
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test_url: http://www.nytimes.com/2010/07/13/science/13gravity.html?_r=1&amp;pagewanted=print
test_url: http://www.nytimes.com/2011/05/15/world/middleeast/15prince.html?_r=1&hp
