Added comment for future improvement on creation date.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@30254 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Base.py

@@ -3201,7 +3201,7 @@ class Base( CopyContainer,
           return history[0].get('time', None)
     if getattr(aq_base(self), 'CreationDate', None) is not None:
       return asDate(self.CreationDate())
-    return None
+    return None # JPS-XXX - try to find a way to return a creation date instead of None
 
   security.declareProtected(Permissions.AccessContentsInformation, 'getModificationDate')
   def getModificationDate(self):