ATable sum = null;
while (values.hasNext()) {
if (sum == null)
sum = (ATable)((ATable)values.next().getContent()).clone();
else
sum.plusEquals((ATable)values.next().getContent());
}
pcc.setContent(sum);
// pcc.normalize();
// if (true) throw new RuntimeException("CHECK\n"+pcc.getContent());
}