language_tags::GRANDFATHERED_REGULAR

pub const GRANDFATHERED_REGULAR: [&'static str; 9] = ["art-lojban", "cel-gaulish", "no-bok", "no-nyn", "zh-guoyu", "zh-hakka",
 "zh-min", "zh-min-nan", "zh-xiang"]

Contains the 9 regular grandfathered tags having special semantics.