anchor.diff:                    <% if page_tags.any? %>
                       <p class="tags-container">
                         <% page_tags.each do |tag| %>
  -                        <% if user_signed_in? && document.user == current_user %>
  -                          <%=
  -                            link_to params.permit(:tag).merge({ tag: PageTagService.slug_for(tag.tag) }), class: "#{Document.color}-text" do
  -                          %>
  -                            <span class="new badge <%= params[:tag] == tag.slug ? 'orange' : Document.color %> left" data-badge-caption="<%= tag.tag %>"></span>
  -                          <% end %>
  -                        <% else %>
  -                          <span class="new badge <%= params[:tag] == tag.slug ? 'orange' : Document.color %> left" data-badge-caption="<%= tag.tag %>"></span>
  -                        <% end %>
  +                        <span class="new badge <%= params[:tag] == tag.slug ? 'orange' : Document.color %> left" data-badge-caption="<%= tag.tag %>"></span>
                         <% end %>
                       </p>
                     <% end %>
  
positive.code:           </tr>
          </thead>
          <% content_list.each do |document| %>
            <tr class="js-content-card-container hoverable modal-trigger" data-target="document-info-<%= document.id %>" style="cursor: pointer">
              <td class="center">
                  <i class="material-icons medium <%= Document.color %>-text"><%= Document.icon %></i>
              </td>
              <td>
                <div>
                  <div>
                    <% if user_signed_in? && document.user == current_user %>
  
negative.code:                     in <span class="<%= Folder.color %>-text"><%= document.folder.title %></span>
                    <% end %>
                  </div>
                  <div class="<%= User.color %>-text">
                    <i class="material-icons left"><%= User.icon %></i>
                    by <%= document.user.display_name %>
                  </div>
                  <% if document.universe %>
                    <div class="clearfix <%= Universe.color %>-text">
                      <i class="material-icons left"><%= Universe.icon %></i>
                      in <%= document.universe.try(:name) || 'Unknown universe' %>
                    </div>
                  <% end %>
                  <% if document.respond_to?(:page_tags) %>
  