Add preferred_date_order.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@5478 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/Preference.py

@@ -44,5 +44,10 @@ class Preference :
       'type'        : 'string',
       'preference'  : 1,
       'mode'        : 'w'},
+    { 'id'          : 'preferred_date_order',
+      'description' : 'The order of year, month and day.',
+      'type'        : 'string',
+      'preference'  : 1,
+      'mode'        : 'w'},
   )