<data priority="50">
    <xpath expr="//td[@name='account_invoice_line_name']" position="replace">
        <t t-if="line.product_id.type_description">
            <td>
                <span style="font-weight: bold" t-field="line.product_id.type_description"/>
            </td>
        </t>
        <t t-if="not line.product_id.type_description">
            <td>
                <span t-field="line.external_name"/>
            </td>
        </t>
        <!---
    <xpath expr="//td[@name='account_invoice_line_name']" position="replace">
      <td name="td_name">
        <span class="o_bold" t-field="line.product_id.name"/><br/>
        <span t-field="line.name"/>  
      </td>
    </xpath>
    -->
    </xpath>
</data>
