int index = RBCollationTables.getEntry(entryTable, groupChars, fwd);
if (index != RBCollationTables.UNMAPPED) {
EntryPair pair = (EntryPair) entryTable.elementAt(index);
pair.value = anOrder;
} else {
EntryPair pair = (EntryPair)entryTable.lastElement();
// NOTE: This little bit of logic is here to speed CollationElementIterator
// .nextContractChar(). This code ensures that the longest sequence in
// this list is always the _last_ one in the list. This keeps
// nextContractChar() from having to search the entire list for the longest