code: @Override
      protected void handleTransliterate(Replaceable text,
                                         Position index, boolean incremental) {
          // Our caller (filteredTransliterate) has already narrowed us
          // to an unfiltered run.  Delete it.
          text.replace(index.start, index.limit, "");
          int len = index.limit - index.start;
          index.contextLimit -= len;
          index.limit -= len;
      }
docs: Implements {@link Transliterator#handleTransliterate}.