It's easy to come up with rationales after the fact and find all sorts of neat uses of the proposed feature. However, the solution did not grow out of a real need. Also, there is no discussion of possible alternative solutions and how it might compare with the existing checkpoint. I'm trying to show that the process for developing checkpoints is flawed, not to eliminate this or any other existing checkpoint.
All ideas are valid.
If someone says they need a structure view of the document, web site, Intranet, or the Universe, that's fine with me. All those solutions should go into the document. Development Cost These comments, and therefore my responses, seem only to address the case of navigiation within a single document, not of navigating a series of related documents. One of the two goals of the group is to describe how to do just that. It is in the context of what is necessary to help creators and editors of the documents that the priority of this particular feature should be assessed.