code: private boolean readContextNoOp(XMLEventReader reader)
              throws XMLStreamException, JournalException {
          readStartTag(reader, QNAME_TAG_NOOP);
          String value = readCharactersUntilEndTag(reader, QNAME_TAG_NOOP);
          return Boolean.valueOf(value).booleanValue();
      }
docs: Read the context no-op flag from XML.