<Section xmlns="urn:com.io7m.structural:8:0" id="4e035356-53d9-4d09-ab6b-ec2c683218f5" title="Section"> <Section title="Another Section"> ... </Section> <Section title="Yet Another Section" id="6c311772-c7c8-4c28-979f-a5815795643b"> ... </Section> </Section>