logln("equals: " + cca.equals(cca4));
cca4.compact(false);
logln("equals: " + cca4.equals(cca5));
cca5.compact(EXTENSIVE);
logln("equals: " + cca4.equals(cca5));
cca.setElementAt((char)0x405, (char)0xdf); // force expand
logln("modified equals clone: " + cca.equals(cca3));