Quote:
Originally Posted by pdurrant
If you believe that yours is a valid interpretation of the 2.0.1 draft standard, please suggest a wording that would remove the ambiguity that you see.
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Reading Systems must support all CSS2 selectors, including pseudo-elements and pseudo-classes. Dynamic pseudo-classes are the only exception to this and may be disregarded if, and only if, they specify user activity which is not applicable to the interface being used (e.g. hover for devices with a touch screen).
As it stands, the meaning of "not applicable" is undefined and only illustrated by a single example, effectively giving the implementers a lot of lee-way to define it as they wish.