source/app/views/pages/list.rhtml

<% @heading = params[:type].capitalize %>
<h2><%= @heading %></h2>

<ul>
    <% @pages.each do |page| %>
    <li><%= page.presentation_name %>
        <% page.sites.each do |site| %>
            <% if site.wiki? %>
            | <%= site.title %> <%= link_to_page(page) %>
            <% end %>
        <% end %>
    </li>
    <% end %>
</ul>