tidy: no
body: //div[@class='main']

author: substring-before(substring-after(//div[@class='meta-single'], 'erstellt von '), ' am')
date: substring-before(substring-after(//div[@class='meta-single'], ' am '), ' | ')

strip_id_or_class: pagelink
strip_id_or_class: wp-polls 

next_page_link: //div[@class='post-page-next']/a
test_url: http://www.designtagebuch.de/die-gefuehlte-lesbarkeit/