/**
* Adds all updates in a given list B to the end of the updates in this list (A).
*
* <p>As updates must be unambiguous and are ordered from the highest to the lowest PRE value,
* make sure that all updates in B access PRE values smaller than any update in A.
*
* <p>Mainly used to resolve text node adjacency.
*
* @param toMerge given list that is appended to the end of this list
*/
private void merge(final AtomicUpdateList toMerge) {
updStructural.addAll(toMerge.updStructural);
updValue.addAll(toMerge.updValue);
dirty();
}
