[xml] function document

[spinmar interfree it]

Hi all,
I'm trying to use the function document to load a remote xml file but it seems to me that libxslt document function works only on local files.
Is it true?
Typing xsltproc --dumpextensions I see that there is an document extension function: 
....
Registered Extension Elements:
{http://exslt.org/common}document
What is it?
Could I use it to load a remote xml file?
Thanks
 
 
 
 

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