code: public Transliterator safeClone() {
          UnicodeFilter filter = getFilter();
          if (filter != null && filter instanceof UnicodeSet) {
              filter = new UnicodeSet((UnicodeSet)filter);
          }
          return new AnyTransliterator(getID(), filter, target, targetScript, widthFix, cache);
      }
docs: Temporary hack for registry problem. Needs to be replaced by better architecture.