<?xml version="1.0" encoding="UTF-8"?>
<column xmlns="https://dampen.io/schema/v1">
    <!-- Invalid attribute values -->
    <text value="123" invalid_attr="test"/>
    <button label="Test" on_click="{|invalid binding|}"/>
    <slider min="abc" max="def" value="ghi"/>
    <checkbox checked="maybe"/>
</column>
