inconsistency in draft-ietf-httpbis-rfc6265bis-07 SameSite default treatment?

[Brian Campbell <[e-mail]>]

Looking at parts of draft-ietf-httpbis-rfc6265bis-07 today I noticed what
is maybe a little inconsistency around the treatment of the default for
SameSite.

https://www.ietf.org/archive/id/draft-ietf-httpbis-rfc6265bis-07.html#section-4.1.2.7
has:
'If the "SameSite" attribute's value is something other than these three
known keywords, the attribute's value will be subject to a default
enforcement mode that is equivalent to "Lax".'
and parts of
https://www.ietf.org/archive/id/draft-ietf-httpbis-rfc6265bis-07.html#section-5.5
and
https://www.ietf.org/archive/id/draft-ietf-httpbis-rfc6265bis-07.html#name-draft-ietf-httpbis-rfc6265bis-07
also suggest Lax as the default. As does (relatively recent) current
behaviour from most/all browsers.

but
https://www.ietf.org/archive/id/draft-ietf-httpbis-rfc6265bis-07.html#section-5.3.7
ends with this sentence that looks like it's maybe left over from when the
default enforcement mode was "None":
'Note: This algorithm maps the "None" value, as well as any unknown value,
to the "None" behavior, which is helpful for backwards compatibility when
introducing new variants.'

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