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The existing 'data' section in the content should not be provided in the delete event . So, we need to make the 'data' field and it should be marked as optional. As we are deleting a mandatory field, the change is still backwards compatible.
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- when an anchor is deleted or
- delete Data Node is called with root xpathXPath.
We are adding a new operation field in the event and the values for all the existing scenarios must be provided as per the Operation section of the proposal.
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