[presentation-api] Use USVString for URLs

annevk has just created a new issue for 
https://github.com/w3c/presentation-api:

== Use USVString for URLs ==
The URL parser cannot handle lone surrogates.

Please view or discuss this issue at 
https://github.com/w3c/presentation-api/issues/361 using your GitHub 
account

Received on Friday, 21 October 2016 09:14:10 UTC