@edsu @alcinnz @ntnsndr

a previous attempt to standardize web/ebook packaging was PWP.
i've not yet read the webpackage spec, maybe it has inherited something

https://madfileformatscience.garymcgath.com/2015/10/19/pwp/
https://www.w3.org/TR/pwp/
https://w3c.github.io/dpub/2016/SWIB/#