addons/purchase/purchase_wizard.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <openerp>
   3   <data>
   4     <wizard id="purchase_order_merge"
   5             model="purchase.order"
   6             multi="True"
   7             keyword="client_action_multi"
   8             name="purchase.order.merge"
   9             string="Merge purchases"/>
  10   </data>
  11 </openerp>