xml inherit does not respect cols attribute

[Ferdinand]

**************** modified stock.picking.form *********** col="6" !
<?xml version="1.0"?>
<form string="Packing list">
                    <group colspan="4" col="6">
                        <field name="type"/>
                        <field name="name" readonly="1"/>
                        <field name="partner_id" select="1" colspan="6"/>
                        <field name="address_id" select="2" colspan="6" attrs="{'readonly':[('state','!=','draft')]}"/>
                        <field name="date"/>
                        <field name="min_date" select="2"/>
                    </group>

**************** inherit **************
<?xml version="1.0"?>
<field name="address_id" position="after">
                    <field name="sale_id" colspan="2"/>
                    <field name="partner_customer_id" colspan="4"/>
                </field>
****************************************
GTK and WEB put partner_customer_id on a new line (Koo respects col="6")

if I set
  <field name="partner_customer_id" colspan="2"/>
6 columns are available and the "Date Planing" field moves in the same line as sale_id and partner_customer_id

see screen shot

[Naresh(OpenERP) (nch-openerp)]

Hello Ferdinand,

I tried out the scenario with the latest trunk and it seems to respect the 'col' attribute.
I am attaching the module named 'test.zip' and modified stock_picking xml file. to test the scenario with respect to trunk code also I am attaching the .png of the result I had at my end.

Thanks,