XML structures and footnotes/endnotes
This is a point which was subject of lot of discussion since years in several forums. Even this uservoice mentions it (partly) sometime but obviously it hasn't been considered at all.
In InDesign, a footnote can't contain xml structures.
In InDesign, it is not possible to map an xml element to the footnote object.
This is really weird, since:
a) mapping XML element to an InDesign object is something exiting already for tables thanks to attribute aid:table. So why not having set an attribute aid:note, with values "footnote" and "endnote" and implementing this?
b) footnotes and endnotes can contain by nature various content such lists, tables, references, etc. which are, in the scope of a XML publishing workflow, subject to specific tagging. In other words, allowing tags in these contents is really a must have. Again in table cells - which are a specific object too, xml tagging is allowed.
That point plus the lack of management of mathml, is seriously blocking the use of InDesign in the scope of structured content workflow.
Which is a pity since in the meantime Framemaker - done for structured content - has itself serious lack in its rendering capabilities.
Thanks for reporting the issue.
We will review it shortly.