IANA has registered the following new variant subtags:

jauer
puter
rumgr
surmiran
sursilv
sutsilv
vallader

IANA has also modified the following language subtag:

rm

Please see

http://www.iana.org/assignments/language-subtag-registry

http://www.iana.org/assignments/lang-subtags-templates/index.html

Best regards,

Amanda Baber
Internet Assigned Numbers Authority