[css3-namespace] clarification on 'no namespace'

Hi all.

Chapter 4 "CSS Qualified Names" [3] of the WD [1,2] mentions "no namespace".

Does "no namespace" equal the default namespace if one is declared?
Meaning "|B" and "D" in example 2 share the same
universe/reality/an_appropriate_metaphor.

Or is there another explanation?


Greetings BachusII



[1] http://www.w3.org/TR/2006/WD-css3-namespace-20060828/
[2] http://www.w3.org/TR/css3-namespace/
[3] http://www.w3.org/TR/css3-namespace/#css-qnames