[selectors] Clarify behavior of selectors not in the fast profile in CSS

When a selector that's not in the fast profile is used in CSS, should it 
be treated as an invalid selector? If so, section 3.10 should state this.

-- 
Daniel Tan
NOVALISTIC
<http://NOVALISTIC.com>

Received on Monday, 2 March 2015 03:16:08 UTC