Index: app/views/hooks/opensearch/_view_layouts_base_html_head.rhtml
===================================================================
--- app/views/hooks/opensearch/_view_layouts_base_html_head.rhtml	(Revision 4)
+++ app/views/hooks/opensearch/_view_layouts_base_html_head.rhtml	(Arbeitskopie)
@@ -1,6 +1,6 @@
-<link rel="search" type="application/opensearchdescription+xml" href="<%= url_for :controller => 'opensearch', :action => 'index' %>"
-      title="<%=h Setting.app_title %>" />
-<% if @project -%>
-<link rel="search" type="application/opensearchdescription+xml" href="<%= url_for :controller => 'opensearch', :action => 'index', :project_id => @project %>"
-      title="<%=h Setting.app_title %> – <%=h @project.name %>" />
+<% if User.current.logged? -%>
+  <%= tag :link, :rel => 'search', :type => 'application/opensearchdescription+xml', :href => url_for(:controller => 'opensearch', :action => 'index'), :title => h(Setting.app_title) %>
+  <% if @project -%>
+    <%= tag :link, :rel => 'search', :type => 'application/opensearchdescription+xml', :href => url_for(:controller => 'opensearch', :action => 'index', :project_id => @project), :title => "#{h Setting.app_title} - #{h @project.name}" %>
+  <%- end %>
 <%- end %>
\ No newline at end of file