[Ltru] Re: zh-hakka

Doug Ewell wrote:

> That's why some of us are watching diligently every time IANA
> releases a new version, and scrutinizing the registration
> forms with a magnifying glass before they are submitted to
> IANA.

My (now two) magnifying glasses don't catch unintended cycles.
With a rule "pointers only to non-deprecated (sub)tags" they
could easily catch such typos.

> I'd be interested if somebody could come up with a plausible
> scenario that would result in circular P-V assignments.

MY reverting to BU, or C? reverting to ZR, that might not work
as expected with 4646 rules (too lazy to check).  With Martin's
proposal it works, the BU -> MY pointer would be replaced by a
BU -> BU pointer, and the fine print would say that this should
be reduced to no pointer at all.  Adding MY -> BU as expected.

Frank

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