| SAXONICA |
A new extension function discard-document has been added. This takes a document node as its
argument and returns the same document node as its result. The function causes the document to be removed
from Saxon's internal document pool, which enables the Java garbage collector to release the memory occupied
by the document when it is no longer required. The drawback is that if the same document is loaded again during the same
transformation, it will be reparsed from the source text, and different node identifiers will be allocated.
The function returns the document node that was supplied as an argument, allowing it to be used in a
call such as select="saxon:discard-document(document('a.xml'))".
