* IPv6 omits the colons (01020304...0f)
* IPv4 uses dot-separated decimal with leading 0's (010.123.045.006)
* - 'I6c' for IPv6 addresses printed as specified by
- * http://www.ietf.org/id/draft-kawamura-ipv6-text-representation-03.txt
+ * http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-00
* - 'U' For a 16 byte UUID/GUID, it prints the UUID/GUID in the form
* "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
* Options for %pU are:
* %pI6 print an IPv6 address with colons
* %pi6 print an IPv6 address without colons
* %pI6c print an IPv6 address as specified by
- * http://www.ietf.org/id/draft-kawamura-ipv6-text-representation-03.txt
+ * http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-00
* %pU[bBlL] print a UUID/GUID in big or little endian using lower or upper
* case.
* %n is ignored