<field name="type">form</field>
<field name="arch" type="xml">
<form string="">
- <button name="open_registration" string="Open Registrations" type="object"/>
+ <button special="cancel" string="Cancel" icon="gtk-cancel"/>
+ <button name="open_registration" string="Open Registrations" type="object" icon="gtk-open"/>
</form>
</field>
</record>