code: protected static void dischargeAsEmpty(final BitmapStorage container,
                                             final IteratingRLW i) {
          while (i.size() > 0) {
              container.addStreamOfEmptyWords(false, i.size());
              i.next();
          }
      }
docs: Write out the content of the iterator, but as if it were all zeros.
  
  @param container where we write
  @param i         the iterator