/** TODO: LATER: should verify that all ids really are unique in newly merged document. If not then what ?
* investigate possibility of having an id translation between appDatas and the core document -
* the mapping is stored when an external application performs a merge, but when the owning
/** TODO: LATER: should verify that all ids really are unique in newly merged document. If not then what ?
* investigate possibility of having an id translation between appDatas and the core document -
* the mapping is stored when an external application performs a merge, but when the owning