return returnExpr.eval(context, docs, filtered, null);
return returnExpr.eval(docs, filtered, null);
	public Sequence eval(		StaticContext context,		DocumentSet docs,		Sequence contextSequence,		Item contextItem)		throws XPathException {		Variable var = new Variable(QName.parse(context, varName));		context.declareVariable(var);		Sequence val = inputSequence.eval(context, docs, null, null);		var.setValue(val);				Sequence filtered = null;		if(whereExpr != null)			filtered = applyWhereExpression(context, docs, null);		if(whereExpr != null && filtered.getLength() == 0)			return Sequence.EMPTY_SEQUENCE; 		return returnExpr.eval(context, docs, filtered, null);	}