fn:QName-in-context(string $qname, boolean $use-default) => QName
fn:QName-in-context(string $qname, boolean $use-default, node $node) => QName
fn:get-local-name-from-QName(QName? $srcval) => string?
fn:get-namespace-from-QName(QName? $srcval) => anyURI?
fn:get-namespace-uri-for-prefix(element $element, string $prefix) => string?
fn:get-in-scope-namespaces(element $element) => string*