Public Comment

Comment from: 

Following datatypes and functions are introduced since XACML 2.0:
 - dnsName
 - ipAddress
 - regexp-dnsName-match
 - regexp-ipAddress-match
 - regexp-uri-match
They are defined in the namespace "urn:oasis:names:tc:xacml:1.0:data-type" and
"urn:oasis:names:tc:xacml:1.0:function" respectively.
They should be defined in the XACML 2.0 namecpase "urn:oasis:names:tc:xacml:2.0" as
same as string-concatenate and uri-string-concatenate.