# File lib/openid/message.rb, line 182 def set_openid_namespace(openid_ns_uri) if !@@allowed_openid_namespaces.include?(openid_ns_uri) raise ArgumentError, "Invalid null namespace: #{openid_ns_uri}" end @namespaces.add_alias(openid_ns_uri, NULL_NAMESPACE) @openid_ns_uri = openid_ns_uri end