anchor.diff:          </span>
           <%= link_to "<span class='lead'>&raquo;</span> #{t(:your_membership, default: 'Your membership').capitalize}".html_safe, project_show_contributor_path(@project, @project_user.user.login), :class => "navlink" %>
         </li>
  +      <% if @project_user_invitation && @project_user_invitation.pending? -%>
  +        <li class="invited">
  +          <%= link_to "<span class='lead'>&raquo;</span> #{t(:join_this_project?)}".html_safe, join_project_path(@project), :class => "navlink" %>
  +          <div class="inner">
  +            <%=t :user_invited_you_to_join_this_project_on_date_html, :user => link_to_user(@project_user_invitation.user), :date => l(@project_user_invitation.created_at) %>
  +          </div>
  +        </li>
  +      <% end -%>
         <% if @project.users_can_add? && (!@project.invite_only? || @project_user) && (!@project.bioblitz? || @project.event_started?) -%>
           <li>
             <%= link_to "<span class='lead'>&raquo;</span> #{t(:add_from_your_observations)}".html_safe, observations_by_login_path(current_user.login, @project.observations_url_params.merge(not_in_project: @project.slug)), :class => "navlink" %>
  
positive.code:           :rel => "nofollow" %>
        </li>
        <li><%= link_to "<span class='lead'>&raquo;</span> #{t(:filter_by_curator_identification)}".html_safe, project_observations_url(@project), class: "navlink" %></li>
      </ul>
    <% end -%>
    <% unless @project.bioblitz? && !@project.event_started? %>
  
negative.code:       <li>
          <%= link_to "<span class='lead'>&raquo;</span> #{t(:usage_stats)}".html_safe, project_stats_path(@project), :class => "navlink" %>
        </li>
      <% end -%>
    </ul>
    <% if @project.curated_by?(current_user) -%>
  