*/
public static NodeSet highest (ExpressionContext expCon, NodeIterator ni)
throws java.lang.CloneNotSupportedException
{
NodeSet ns = new NodeSet(ni);
NodeIterator niClone = ns.cloneWithReset();
double high = new Double(max(expCon, niClone)).doubleValue();
NodeSet highNodes = new NodeSet();
highNodes.setShouldCacheNodes(true);
if (Double.isNaN(high))