added more clever jumping

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@531 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/Form.py

@@ -89,6 +89,7 @@ class ERP5Field(Field):
             except:
               # We add this safety exception to make sure we always get
               # something reasonable rather than generate plenty of errors
+              LOG('ERP5Form.get_value, exception on tales_expr: ',0,'')
               value = self.get_orig_value(id)
         else:
             # FIXME: backwards compat hack to make sure overrides dict exists