COMMON LAW PUBLIC LICENSE NOTICE - https://zchg.org/t/legal-notice-copyright-applicable-ip-and-licensing-read-me/440

THIS LICENSE IS SUPREME TO AND SUPERCEDES ALL OF THE ENCLOSED; EXPRESS OR IMPLIED.

It is possible some MIT license verbiage may have snuck in there.  This must be assumed to be in error, as 100% of these works are copyright per https://zchg.org/t/legal-notice-copyright-applicable-ip-and-licensing-read-me/440