[CSS2.1] CSS Class Selector

The following note is repeated twice in the current draft. (Section 5.8.3)

/*Note:* If an element has multiple class attributes, their values must 
be concatenated with spaces between the values before searching for the 
class. As of this time the working group is not aware of any manner in 
which this situation can be reached, however, so this behavior is 
explicitly non-normative in this specification.

Please remove one of these.

~Justin Wood (Callek)
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