anchor.diff:  
   
           .col-md-1
  -            | Predecessor
  +            p="Predecessor"
   
           .col-md-7
  -          h4=pdname
  +          p=pdname
   
         .row
           .col-md-1
  -          |Title <br>
  +          p="Title"
           .col-md-7
  -          h3
  -            |#{article.title}
  +          p=article.title
           .col-md-3
             p
               - open = false
  
positive.code:     else
        .row
          .col-md-1
            |Blog <br>
          +leftcolumn
            h2
              |#{article.blog}
          +rightcolumn
            h2
          .col-md-1
            a(href="#{layout.htmlroot}/article/#{article.id}?edit=true&style=#{params.style}" class="btn btn-primary" role="button") Edit
        .row
          .col-md-1
            |Category <br>
          +leftcolumn
            h4
              |#{article.getCategory(params.left_lang)}
          +rightcolumn
            h4
              |#{article.getCategory(params.right_lang)}
        .row
          - pdname = "not in category"
          if article.predecessorId == 0
  
negative.code:           .col-md-5
              .hidden
                textarea.form-control(name="version",rows=1,hide=true) #{article.version}
  
  
            .col-md-1
              button.btn.btn-large.btn-primary(type = "button" onclick ="window.onbeforeunload=null; document.getElementById('input').submit();") OK
  
  
          .row
  