[webauthn] Pull Request: Change prohibitions on PII in user handles to MUST.

agl has just submitted a new pull request for https://github.com/w3c/webauthn:

== Change prohibitions on PII in user handles to MUST. ==
Fixes #1146

See https://github.com/w3c/webauthn/pull/1185

Received on Monday, 18 March 2019 21:23:09 UTC