code: private void emitEndTag() throws TTIOException {
          final long nodeKey = mRtx.getNode().getDataKey();
          mEvent = mFac.createEndElement(mRtx.getQNameOfCurrentNode(), new NamespaceIterator(mRtx));
          mRtx.moveTo(nodeKey);
      }
docs: Emit end tag.
  
  @param paramRTX
  Treetank reading transaction {@link IReadTransaction}.
  @throws TTIOException