Secure Contexts: It's worth taking another look.

BCC: www-tag@, public-webapps@, public-privacy@, public-geolocation@ in the
hopes of spurring "wide" review.

I've done a bit of polishing on
https://w3c.github.io/webappsec/specs/powerfulfeatures/ over the last few
days, and I think it's worth folks' time to take another look at the
document. In particular, I've addressed some of Boris' concerns from way
back in June/July (sorry it took so long!), and clarified the algorithms
with what I hope are helpful examples.

Outstanding issues are noted at
https://github.com/w3c/webappsec/labels/SECURE. w3c/webappsec#406
<https://github.com/w3c/webappsec/issues/406> is probably the most
interesting of these.

I'd appreciate feedback on the document, either on [email protected],
or via GitHub at
https://github.com/w3c/webappsec/issues/new?title=SECURE:%20

--
Mike West <[email protected]>, @mikewest

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