Attr attr = element.getAttributeNodeNS(namespaceURI, localName);
final String s = attr == null ? defaultValue : attr.getValue();
final float[] numbers = new float[4];
NumberListParser p = new NumberListParser();
p.setNumberListHandler(new DefaultNumberListHandler() {
protected int count;
public void endNumberList() {
if (count != 4) {
throw new LiveAttributeException
(element, localName,