[whatwg] Sectioning

[Elizabeth Castro]

In 4.4.11, it says

Sectioning content elements are always considered subsections of  
their nearest ancestor element of sectioning content, regardless of  
what implied sections other headings may have created.

Does that line mean that a section element is *not* a subsection of  
the nearest implied section?

So, if there is no other explicit sectioning content, as in the  
example given, then what would the section element be a subsection of?

I don't get why Thud ends up on an equal level as Quux and Bar. It  
seems like as a section under h2 it should be a subsection of that  
Quux h2, just as the implied Bar section is a subsection of the  
implied Foo section.

thanks,
Liz