Hi Betty,
> Thanks to Remko, Camille, and Thomas for your suggestions. I have since
> modified SectionA and SectionB accordinly; Chapter is still the same as
> before.
>
> I am still getting the following errors:
> [...]
> What else am I still missing? Suggestions are welcome.
Your XML files are still invalid. I've attached a diff between old and new
version. Hope that helps you. If you have question, don't hesitate. :-)
Before you can apply any stylesheet, make sure your whole document is valid.
Tom