Re: [webauthn] Add instructions for passing unknown extensions to authenticators

@selfissued Where do we stand on this and the comments that @agl and @equalsJeffH have stated 

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Please view or discuss this issue at https://github.com/w3c/webauthn/pull/789#issuecomment-364526953 using your GitHub account

Received on Friday, 9 February 2018 19:00:34 UTC