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

IANA has updated the language subtag registry. See the “abl1943,” “ao1990,” and “colb1945” variant entries at http://www.iana.org/assignments/language-subtag-registry http://www.iana.org/assignments/lang-subtags-templates Best regards, Amanda Baber IANA Request Specialist ICANN