app/views/twitter-bootstrap/_breadcrumbs.html.erb
<% if @__bs_breadcrumbs.present? %>
<ul class="breadcrumb <%= options[:class] %>">
<% separator = divider.html_safe if divider %>
<% @__bs_breadcrumbs[0..-2].each do |crumb| %>
<li class="<%= options[:item_class] %>">
<%= link_to crumb[:name], crumb[:url], crumb[:options] %>
<span class="divider <%= options[:divider_class] %>"><%= separator if separator %></span>
</li>
<% end %>
<li class="<%= options[:active_class] %>">
<%= @__bs_breadcrumbs.last[:name] %>
</li>
</ul>
<% end %>