<?xml version="1.0"?>
<data><field name="transient" position="after">
                <field name="is_mail_thread" readonly="state != 'manual'" groups="base.group_no_one"/>
                <field name="is_mail_activity" readonly="state != 'manual'" groups="base.group_no_one"/>
                <field name="is_mail_blacklist" readonly="state != 'manual'" groups="base.group_no_one"/>
            </field>
            <xpath expr="//field[@name='field_id']//field[@name='copied']" position="after">
                <field name="state" invisible="1"/>
                <field name="tracking" readonly="state != 'manual'"/>
            </xpath>
        </data>