[presentation-api] Pull Request: Clarify when a simultaneous call to start() can be rejected.

mfoltzgoogle has just submitted a new pull request for 
https://github.com/w3c/presentation-api:

== Clarify when a simultaneous call to start() can be rejected. ==
Addresses Issue #364: It is unclear what "If there is already an 
unsettled Promise from a previous call to start for the same 
controlling browsing context" means"

See https://github.com/w3c/presentation-api/pull/373

Received on Monday, 21 November 2016 22:44:38 UTC