Re: [PATCH v2 0/7] reftable: avoid reading and writing empty keys

"Han-Wen Nienhuys via GitGitGadget" [off-list ref] writes:

this series makes sure that the object record does not have to consider
empty keys (and therefore, a NULL memcpy destination)

while we're at it add some more tests, and fix a naming mistake.

Looking good.  Will queue.

Thanks.