anchor.diff:                    ul
                       each list, letter in links.radio_tv
                         each link in list
  -                        li(data-numclicks=link.num_clicks)
  +                        - var klass = (link.num_clicks > 5 ? 'popular' : '')
  +                        li(data-numclicks=link.num_clicks, class=klass)
                             a(href=link.url, id=link._id)= link.title
positive.code:                   ul
                      each list, letter in links.sport
                        each link in list
                          li(data-numclicks=link.num_clicks)
                            a(href=link.url, id=link._id)= link.title
          div.span3
            div.row
  
negative.code:                 div.links
                    ul
                      each link in list
                        - var klass = (link.num_clicks > 5 ? 'popular' : '')
                        li(data-numclicks=link.num_clicks, class=klass)
                          a(href=link.url, id=link._id)= link.title
  
      div.span5.offset1
  