[csswg-drafts] [css-device-adapt] Should Device Adaptation include a normative definition of <meta> viewport?

ChumpChief has just created a new issue for 
https://github.com/w3c/csswg-drafts:

== [css-device-adapt] Should Device Adaptation include a normative 
definition of <meta> viewport? ==
Spec: https://drafts.csswg.org/css-device-adapt/

The <meta> viewport tag is absolutely essential for correct rendering 
of any mobile content, yet is not normatively defined.  Should it be?
  I think the answer is yes.

Please view or discuss this issue at 
https://github.com/w3c/csswg-drafts/issues/331 using your GitHub 
account