The intention is to make editing easy and quick on slow and memory deficient computers. This is how for example editing a pdf with form field values can be so f

The intention is to make editing easy and quick on slow and memory deficient computers. This is how for example editing a pdf with form field values can be so fast. It’s just appending new values for those nodes. If you need to omit edits you’d have to regenerate a fresh pdf from the root.