Creative Commons Attribution 4.0 International (CC BY 4.0)

The Bopomofo data and package-authored metadata are licensed under CC BY 4.0:
https://creativecommons.org/licenses/by/4.0/

Attribution:
Bopomofo 37-Symbol Open Reference Data, iOS App Guide Open Resources.
https://alice51849.github.io/ios-app-guide/data/packages/zhuyin-bopomofo-ro-crate/

The pinned RO-Crate JSON-LD context is distributed by the RO-Crate contributors
under CC0 1.0 and is used for offline validation; it is not included in the crate.