Sequence s1 = getArgument(0).eval(docs, contextSequence); Sequence s2 = getArgument(1).eval(docs, contextSequence);
Sequence s1 = getArgument(0).eval(contextSequence); Sequence s2 = getArgument(1).eval(contextSequence);
	public Sequence eval(		DocumentSet docs,		Sequence contextSequence,		Item contextItem)		throws XPathException {		if (contextItem != null)			contextSequence = contextItem.toSequence();		Sequence s1 = getArgument(0).eval(docs, contextSequence);		Sequence s2 = getArgument(1).eval(docs, contextSequence);		if (s1.getLength() == 0 || s2.getLength() == 0)			return Sequence.EMPTY_SEQUENCE;		if (s1.getStringValue().endsWith(s2.getStringValue()))			return BooleanValue.TRUE;		else			return BooleanValue.FALSE;	}