* \note A fake TagKey is generated so the PubDict can keep it's coherence.
* @param NewTagName The name to be given to this new tag.
* @param VR The Value Representation to be given to this new tag.
* \note A fake TagKey is generated so the PubDict can keep it's coherence.
* @param NewTagName The name to be given to this new tag.
* @param VR The Value Representation to be given to this new tag.