Re: process-children

[Paul Prescod <papresco@xxxxxxxxxxxxxxxxxxxxxxxxx>]

Thanks. It is hard to keep all of the interactions of things like labels,
content expressions, query language features and so on straight when most
examples I have seen and created use only a subset of those features.

> They could be PIs or references to external data entities, but neither of
> these are accessible with the query option.

Did you mean "without the query feature", or is there some more powerful 
feature that allows these things.

 Paul Prescod