<?xml version="1.0"?>
<!-- the user list is editable, but one cannot add or delete rows -->
                <list string="Users" editable="bottom" create="false" delete="false">
                    <field name="user_id" column_invisible="True"/> <!-- required field, needed when updating the password -->
                    <field name="user_login" force_save="1"/>
                    <field name="new_passwd" password="True"/>
                </list>
            