fn:base-uri

base-uri() ➔ xs:anyURI?

Returns the base URI of the context node.

There are no arguments
Result		xs:anyURI?

base-uri($arg as node()?) ➔ xs:anyURI?

Returns the base URI of a specified node.

Arguments
	$arg	node()?	The node whose base URI is required
Result		xs:anyURI?

http://www.w3.org/2005/xpath-functions