anchor.diff:        <th>Tags</th>
         <th>Group</th>
         <th>Modified</th>
  -      <th>Modified by</th>
  +      <!-- <th>Modified by</th> -->
       </tr>
     </thead>
     <tbody>
  
positive.code:         <% else %>
          (No group)
          <% end %>
          <!-- Render time = <%= Time.now - start_time  -%> -->
        </td>
        <td><%= distance_of_time_in_words(Time.now, model.node_versions.first.updated_at) %> ago</td>
        <td>
          <% start_time = Time.now -%>
          <% model.people.each do |person| %>
          <%= person_image(person) %><%= person_link(person) %><br />
          <% end %>
          <!-- Render time = <%= Time.now - start_time  -%> -->
        </td>
      </tr>
  
      <% end %>
  
negative.code:         <% start_time = Time.now -%>
          <img src="/browse/display_preview/<%= model.id %>" width="30" height="30" alt="Preview of model '#{model.name}'" />
          <%= link_to model.name, :controller => "browse", :action => "one_model", :id => model.id %><%= render :partial => "browse/preview_image", :locals => {:model => @model} -%>
          <!-- Name and preview render time = <%= Time.now - start_time  -%> -->
        </td>
        <td>
          <% start_time = Time.now -%>
  