// anyway to extract the mimimum and maximum mapped characters.)
charMap = new IntHashMap(64);
for (int i = 0; i < maps.size(); i++) {
IntHashMap hashMap = (IntHashMap)maps.get(i);
IntIterator keys = hashMap.keyIterator();
while (keys.hasNext()) {
int next = keys.next();
if (next < min) {
min = next;
}