The ArcP object allows us to know the main section to which an article belongs (attribute "s") and is what we use to know if the headband should be shown or not on that page. To adapt that field and include secondary sections we need the ArcP object to return an attribute that identifies which secondary sections the article belongs to and thus be able to compare it with our template field.
So, we need to add a new attribute to the ArcP object that lists the child sections that an article belongs to.
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