[ambient-light] Make the `illuminance` attribute nullable

pozdnyakov has just created a new issue for https://github.com/w3c/ambient-light:

== Make the `illuminance` attribute nullable ==


Please view or discuss this issue at https://github.com/w3c/ambient-light/issues/25 using your GitHub account

Received on Friday, 7 April 2017 10:36:52 UTC