On Thu, Aug 6, 2015 at 12:15 AM, John Cowan <xxxxxx@mercury.ccil.org> wrote:
> This is a proposal for a substantive (and substantial) change to SRFI 122.

I think what you described is SRFI 25?

(With the possible exception of rational indexes, I'm not sure they
can be arranged in SRFI 25 arrays)