The current page text states:
"TODO: "Page is a sequence of sections" doesn't map well to nested section tags? It also doesn't match the "styled Template" mechanism being introduced, where styled templates would deliberately introduce
tags outside of/around a <section>."
This does not seem to be an accurate characterization of the implementation in https://github.com/wikimedia/parsoid-dom-utils. Take a look at the test cases in https://github.com/wikimedia/parsoid-dom-utils/blob/master/test/sections.yaml. Nested section tags as well as
wrappers are supported. Nested sections receive their own nested <section> tags. Div wrappers are wrapped into a section of their own, effectively expanding the scope of the outermost section to wrap the entire
.