> You have num:2, so subsubsections are not TOC'ed, so they don't get
> the alternative. If you set it to 3, all should work.
>

That is what we have been discussing. There are situations where you do not
want a headline to appear in TOC, but still want the ALT_TITLE used. It is
now possible in org-mode, but there was some bug because of which it did
not always work.

Nicholas has just fixed it, but, I think, there is still an extra *
appearing.

Vikas