1) The comment of lastAddress for an IPv6 address says, this usually is a broadcast address. IPv6 does not have a broadcast, the doc should either reflect that or remove this comment to avoid ill informing users.
2) endAddressExclusive it will not respect the 128 anycast addresses at the top
3) endAddressExclusive it claims the broadcast address exists, correct is also the last address is valid.
There are three details that are not correct:
1) The comment of lastAddress for an IPv6 address says, this usually is a broadcast address. IPv6 does not have a broadcast, the doc should either reflect that or remove this comment to avoid ill informing users.
2) endAddressExclusive it will not respect the 128 anycast addresses at the top
3) endAddressExclusive it claims the broadcast address exists, correct is also the last address is valid.