if (merge != null) {
StringTokenizer st = new StringTokenizer(merge, ", ");
while (st.hasMoreElements()) {
try {
Configuration c = QConfig.getConfiguration(st.nextToken());
for (String k : c.keySet()) {
if (cfg.get(k, null) == null) {
String[] v = c.getAll(k);
switch (v.length) {
case 0:
break;