While reviewing a layout file named sales_order_view.xml you notice the element
What is the purpose of this element?
Replaces the customer_account handle with sales_order_view
Nothing, this element has been deprecated
Adds the customer_account handle to the page’s handles list
Updates the current page handle to customer_account
https://devdocs.magento.com/guides/v2.2/frontend-dev-guide/layouts/xml-instructions.html#fedg_layout_xml-instruc_ex_upd
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