An RFC might be useful to define the file format as a general purpose data-set format. "MIME type application/my-example is defined as a resource conforming to

An RFC might be useful to define the file format as a general purpose data-set format. "MIME type application/my-example is defined as a resource conforming to RFCxxxx with the following tables..." The basic data-set RFC could leave out the internal locking and transaction support, leaving "must be zero" placeholders.