Better way to structure XQuery

[Wolfgang]

> I don't know if this helps, but you your query could be simplified as follows:
> 
>   let $mydoc := doc('http://localhost:8080/exist/rest/db/bio.xml')

As another side note, using an http uri here is unnecessary and makes 
the query slow. eXist will assume that you are referencing an external 
document (ignoring the 'localhost') and will retrieve it into memory. 
Better use doc('/db/bio.xml') to have eXist access the document tree 
which is already stored in the db.

Wolfgang