anchor.diff:          meta#viewport(name='viewport', content='initial-scale=1')
           block meta
           style.
  -            {
  -            %
  -            for
  -            item
  -            in
  -            nav_tab
  -            %
  +            {% for item in nav_tab %}nav ul li a.nav-{{ item }}{% if not forloop.last %},{% endif %} {% endfor %}{
  +                color: #FFF;
  +                background: #2980b9
               }
  -            nav ul li a.nav- {
  -
  -            {
  -                item
  -            }
  -            }
  -            {
  -            %
  -            if
  -            not
  -            forloop
  -            .
  -            last
  -            %
  -            }
  -            ,
  -            {
  -            %
  -            endif
  -            %
  -            }
  -            {
  -            %
  -            endfor
  -            %
  -            }
  -            {
  -                color: #FFF
  -            ;
           if INLINE_FONTAWESOME
               - compress css
  -            link(rel='stylesheet', href='{% static "style.css" %}')
  +                link(rel='stylesheet', href='{% static "style.css" %}')
                   link(rel='stylesheet', href='{% static "libs/font-awesome.css" %}')
           else
               link(rel='stylesheet', href='{% static "style.css" %}')
  
positive.code: - load cache
  - load mptt_tags
  - load compress
  html(lang='en')
      head
          title
  
negative.code:         link(rel='canonical', href='{{ DMOJ_SCHEME }}://{{ site.domain }}{{ request.get_full_path }}')
          if INLINE_JQUERY
              - compress js
                  script(src='{% static "libs/jquery-1.11.2.min.js" %}')
                  script(src='{% static "common.js" %}')
          else
              script(src=JQUERY_JS)
  