RE: IETF tree URL registration procedure incomplete

   The first step in registering a new URL scheme in the IETF tree is
   to publish an IETF Internet-Draft detailing the syntax and
   semantics of the proposed scheme.  The draft must, minimally,
   address all of the items covered by the template provided in section
   6 of this document.

   After all issues raised during a review period of no less than 4
   weeks have been addressed, submit the draft to the IESG for review.

   The IESG will review the proposed new scheme and either refer the
   scheme to a working group (existing or new) or directly present the
   scheme to the IESG for a last call.  In the former case, the working
   group is responsible for submitting a final version of the draft to
   the IESG for approval at such time as it has received adequate
   review and deliberation.

There are a couple of issues that arose with the 'tv' scheme
that bear some elaboration in this procedure:

a) Where does the discussion of the new scheme take place?
b) What is the decision process and authority by which URL schemes
   could be rejected if they don't seem (to some) to meet the
   criteria?
c) are there guidelines or process requirements for "demonstrable utility",
   e.g., existance of independent interoperable implementations, or
   widespread use?
d) Does this process of IESG approval modify the guidelines of
   RFC 2026 for publication of "Informational" RFCs?