Thanks for the prompt reply.
Indeed; I hope for a partial revival (and in any case unambiguous identifiers are useful)
Does it make sense for me to submit a patch, and if yes — against what?
Is the static HTML the true source?
Well, CDR4 defines that the initial mutable-proposal period is 6 weeks, but a longer period could be negotiated; from my experience with discussions in other communities, I would want to freeze the document based on the discussion beginning and then running out of changes to discuss (or out of arguments for/against some change), not by some time limit precisely agreed upon in advance.