Originally Posted by awx
I haven't seen anything that agrees with that. There is nothing in the Ncx or Opf files that in any way relates to the h tags.
It is not in those documents because it is assumed knowledged based all the way back to 4.0 HTML Look at: http://www.w3.org/TR/1999/REC-html40...l.html#h-7.5.5
where it says that: A heading element briefly describes the topic of the section it introduces. Heading information may be used by user agents, for example, to construct a table of contents for a document automatically.
That is pretty clear and it has never changed. You can do what you want, of course, but to say that something is not suitable when it is exactly what it is designed to do, seems like you think you have to redesign the whole thing from scratch.