Index: application_helper.rb
===================================================================
--- application_helper.rb	(revision 1643)
+++ application_helper.rb	(working copy)
@@ -41,7 +41,9 @@
   end
   
   def link_to_issue(issue, options={})
-    link_to "#{issue.tracker.name} ##{issue.id}", {:controller => "issues", :action => "show", :id => issue}, options
+    link = link_to "#{issue.tracker.name} ##{issue.id}", {:controller => "issues", :action => "show", :id => issue}, options
+    link = content_tag(:del, link) if issue.closed?
+    link
   end
   
   def toggle_link(name, id, options={})