[TYPO3-templavoila] Include external XML as DS ? // Include DS in DS ?

[Johannes P.]

Dmitry Dulepov wrote:

> Jens Hoffmann wrote:
>> 1. Is it possible to have a external XML for the DS informations?
> 
> Currently only for static data structures but there is a feature request
> to make it possible for other types too.

Coming back to the subject, how do I include external XML of static data 
structures, then?