anchor.diff:  
           <!--reflections-->
           <div class="reflections">
  -          <h3>Reflexões do <%= hub.hub_definition.title %></h3>
  -
  -          <h4><%= hub.reflection_title %></h4>
  +          <h3>Síntese reflexiva: <%= hub.reflection_title %></h3>
   
             <%= hub.reflection.try(:html_safe) %>
           </div>
  
positive.code: 
                <div class="">
                  <div class="heading">
                    <h4><%= diary.diary_definition.title %></h4>
                  </div>
                  <div class="diary">
                    <%= diary_content(diary.content) %>
  
negative.code: 
    <!--presentation-->
    <section class="presentation">
      <h2>Introdução</h2>
  
      <%= @presentation.content.try(:html_safe) if @presentation %>
    </section>
  