[presentation-api] Move sandbox flag to HTML spec

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

== Move sandbox flag to HTML spec ==
What the spec does is monkey patching the HTML spec which isn't great.
 They take pull request nowadays so we should probably send one.

Please view or discuss this issue at 
https://github.com/w3c/presentation-api/issues/299 using your GitHub 
account

Received on Friday, 20 May 2016 12:14:11 UTC