Constant ACCEPTED_LANGUAGE_CAPABILITY_SET_V8_DIGEST 

pub const ACCEPTED_LANGUAGE_CAPABILITY_SET_V8_DIGEST: &str = "2b26ae43b74475ea0dcb78d5b182329d500d76c33b2d87470d303400886ead1b";

Historical acceptance seal for capability-set version 8.

Version 8 adds registry-owned content roles and bounded Markdown heading symbols without weakening any version 7 capability.