Index: app/views/issues/show.html.erb
===================================================================
--- app/views/issues/show.html.erb	(Revision 18430)
+++ app/views/issues/show.html.erb	(Arbeitskopie)
@@ -105,6 +105,20 @@
   <%= link_to_new_subtask(@issue) if User.current.allowed_to?(:manage_subtasks, @project) %>
 </div>
 <p><strong><%=l(:label_subtask_plural)%></strong></p>
+<% if !@issue.leaf? %>
+  <p class="subtask-info">
+      <%= link_to(l(:label_x_issues, :count => @issue.descendants.count),
+                      issues_path(:issue_id => @issue.descendants.collect(&:id).join(','), :set_filter => true, :status_id => '*')) %>
+      &nbsp;
+      (<%= link_to_if( @issue.descendants.select(&:closed?).count > 0,
+                      l(:label_x_closed_issues_abbr, :count => @issue.descendants.select(&:closed?).count ),
+                      issues_path( :parent_id => @issue.id , :set_filter => true, :status_id => 'c')) %>
+      &#8212;
+      <%= link_to_if( @issue.descendants.open.count > 0,
+                     l(:label_x_open_issues_abbr, :count => @issue.descendants.open.count ),
+                     issues_path( :parent_id => @issue.id , :set_filter => true, :status_id => 'o')) %>)
+  </p>
+<% end %>
 <%= form_tag({}, :data => {:cm_url => issues_context_menu_path}) do %>
 <%= render_descendants_tree(@issue) unless @issue.leaf? %>
 <% end %>
Index: public/stylesheets/application.css
===================================================================
--- public/stylesheets/application.css	(Revision 18430)
+++ public/stylesheets/application.css	(Arbeitskopie)
@@ -512,6 +512,7 @@
 #issue_tree table.issues, #relations table.issues { border: 0; }
 #issue_tree td.checkbox, #relations td.checkbox {display:none;}
 #relations td.buttons, #issue_tree td.buttons {padding:0;}
+p.subtask-info {font-size: 0.9em; margin-top: -6px; margin-bottom: 3px; border-bottom: 1px solid rgba(200,200,200,0.5);}
 
 #trackers_description {display:none;}
 #trackers_description dt {font-weight: bold; text-decoration: underline;}