_page_link.html.erb

<% linked = (url_for(page_link.url) == params[:current_link]) if params[:current_link].present? -%>
<% link_args = defined?(link_to_arguments) ? link_to_arguments : {} %>
<li class='clearfix<%= " child#{child}" if child %><%= " linked" if linked%>' id="<%= dom_id(page_link) -%>">
  <%= link_to page_link.title_with_meta.html_safe, page_link.url,
              { :title => t('.link_to_this_page'),
              :rel => page_link.title,
              :class => 'page_link' }.merge(link_args) %>
</li>
<%= render :partial => 'page_link',
           :collection => page_link.children,
           :locals => {
             :child => (child ||= 0) + 1,
             :link_to_arguments => link_args
           } -%>