DocumentSet docs,
	public Sequence eval(		DocumentSet docs,		Sequence contextSequence,		Item contextItem)		throws XPathException {		Sequence seq = expression.eval(docs, contextSequence, contextItem);		Item next;		ValueSequence result = new ValueSequence();		for(SequenceIterator i = seq.iterate(); i.hasNext(); ) {			next = i.nextItem();			result.add(next.atomize());		}		return result;	}