--- issues_helper.rb.orig	2010-01-16 14:57:41.968360000 +0100
+++ issues_helper.rb	2010-02-05 13:52:53.554465900 +0100
@@ -135,9 +135,16 @@
         end
       when 'attachment'
         l(:text_journal_added, :label => label, :value => value)
+      else
+        call_hook(:helper_issues_show_detail_format, :detail => detail, :label => label, :value => value, :old_value => old_value, :html => !no_html)
       end
     else
-      l(:text_journal_deleted, :label => label, :old => old_value)
+      case detail.property
+      when 'attr', 'cf', 'attachment'
+        l(:text_journal_deleted, :label => label, :old => old_value)
+      else
+        call_hook(:helper_issues_show_detail_format, :detail => detail, :label => label, :value => value, :old_value => old_value, :html => !no_html)
+      end
     end
   end