[Guy Harris <guy@xxxxxxxxxx>]

> Yeah,  I just found that. I would feel stupid except for the fact that we
> don't have any documentation on the data structures.

Documentation always tends to lag code (and this isn't unique to free
software projects).

> I guess the bottom line is that the data structures available to developers
> should be documented

Yes, we should probably have a "how to write a dissector" document above
and beyond the "doc/proto_tree" document.

> and have standard calls (macros) to access the data.

What sort of macros are you calling for here, and how would those macros
make things better?