[Python] How to find the root cause of "Element odoo has extra content: data"

The error message

"Element odoo has extra content: data"
​

may be generated if an xml file such as a view fails to validate against the RELAXNG schema file odoo/odoo/import_xml.rng. Unforunately it isn't very specific. For example, this file:

<?xml version="1.0" encoding="utf-8"?>
<odoo>
<data>

<record id="record_id" model="ir.ui.view">
<field name="name">foo.bar.form</field>
<field name="model">baz.model</field>
<field name="arch" type="xml">
<form string="My Form">
<sheet>
<group>
<field name="my_field"/>
</group>
</sheet>
</form>
</field>
</record>

<act_window id="action_quux" name="My Action" res_model="baz.model" view_model="form"/>

</data>
</odoo>


will generate the message when validated, but there is no indication that the specific problem is that view_model should be view_mode. Is there a way to get a better error message?

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