[ietf-languages-announcements] Updates to the language subtag registry 2018-04-23

The IANA Services Operator has updated the language subtag registry on 2018-04-23. Please see http://www.iana.org/assignments/language-subtag-registry http://www.iana.org/assignments/lang-subtags-templates Best regards, Sabrina Tanamal Senior IANA Services Specialist