Node n = ns.addMappingAndRender(NName, NValue, attribute);
if (n != null) {
result.add((Attr)n);
if (C14nHelper.namespaceIsRelative(attribute)) {
Object exArgs[] = { element.getTagName(), NName, attribute.getNodeValue() };
throw new CanonicalizationException(
"c14n.Canonicalizer.RelativeNamespace", exArgs
);
}
}
}