%>
<br>
-<%= rss_link_to :action => 'list_bbox_rss', :bbox => @bbox.join(",") %>
+<% if @bbox %>
+ <%= rss_link_to :action => 'list_bbox_rss', :bbox => @bbox.join(",") %>
+<% end %>
+
-<% content_for :head do %>
-<%= auto_discovery_link_tag :atom, :controller => 'changeset', :action => 'list_bbox_rss', :bbox => @bbox.join(",") %>
+<% if @bbox %>
+ <% content_for :head do %>
+ <%= auto_discovery_link_tag :atom, :controller => 'changeset', :action => 'list_bbox_rss', :bbox => @bbox.join(",") %>
+ <% end %>
<% end %>