[R6RS] non-opaque record equality

[William D Clinger]

Kent wrote:
> Just to make sure I understand, you're suggesting that equal? recur to
> itself on the elements of pairs and vectors but defer entirely to
> equiv? for records, so that even if the the fields of the records being
> compared contain pairs and vectors, those pairs and vectors are compared
> with equiv?.  Right?

Right.  Otherwise record comparisons might not terminate.

Will