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Update cidrnetmask for IPv6 #30681

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Update cidrnetmask for IPv6 #30681

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3 changes: 1 addition & 2 deletions website/docs/language/functions/cidrnetmask.mdx
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Expand Up @@ -20,8 +20,7 @@ cidrnetmask(prefix)
The result is a subnet address formatted in the conventional dotted-decimal
IPv4 address syntax, as expected by some software.

CIDR notation is the only valid notation for IPv6 addresses, so `cidrnetmask`
produces an error if given an IPv6 address.
CIDR notation is the only valid notation for IPv6 addresses, so we do not recommend providing an IPv6 address to `cidrnetmask`.

-> **Note:** As a historical accident, this function interprets IPv4 address
octets that have leading zeros as decimal numbers, which is contrary to some
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