Image now inherits from XMLObject to support local role definition

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@10040 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Image.py

@@ -39,10 +39,9 @@ class Image (Base, Photo):
     *Structured Text* or *HTML*. Text can be automatically translated
     through the use of 'message catalogs'.
 
-    A Document is a terminating leaf
-    in the OFS. It can not contain anything.
+    Image can only contain role information.
 
-    Document inherits from XMLObject and can
+    Image inherits from XMLObject and can
     be synchronized accross multiple sites.
   """