w3c/webrtc-pc — pull request #27 by martinthomson (2014-11-04 23:06:56+00:00)
Title: Documenting practice with candidate events

Three changes:
* RTCIceCandidate is now less optional and immutable
* sdpMid and sdpMLineIndex are mandatory for the browser to provide
* the candidate attribute on the icecandidate event is now actually nullable and there is documentation that explains what it means