diff -r cfcc7f6121d6 -r d2fcf19bfb34 common/mixins.py
--- a/common/mixins.py	Fri Aug 07 17:51:16 2009 +0200
+++ b/common/mixins.py	Sun Aug 09 15:40:46 2009 +0200
@@ -365,6 +365,7 @@
 
 class ProgressMixIn(object):
     """provide default implementations for IProgress interface methods"""
+    # This is an adapter isn't it ?
 
     @property
     def cost(self):