Using the HTTP Range Header with a range specifier other than bytes?

Question

The core question is about the use of the HTTP Headers, including Range, If-Range, Accept-Ranges and a user defined range specifier.

Here is a manufactured example t

Answer 1

HTTP Range is typically used for recovering interrupted downloads without starting from the beginning.

What you're trying to do would be better handled by OAI-ORE, which allows you to define relationships between multiple documents. (alternative formats, components of the whole, etc)

Unfortunately, it's a relatively new metadata format, and I don't know of any web browsers that ship with native support.