* If previous write transaction was already commited to data store, new
* read-write transaction is same as obtained via {@link DOMStore#newReadWriteTransaction()}
* and contains merged result of previous one and current state of data store.
*
* If previous write transaction was already commited to data store, new
* read-write transaction is same as obtained via {@link DOMStore#newReadWriteTransaction()}
* and contains merged result of previous one and current state of data store.
*