Re: CSS 2.1 WD and non-CSS presentational hints

> >Since this is all UA stylesheet stuff, we can even posit UA extensions to
> >CSS, such as:
> >
> >   FONT[color] { color: -ua-attr(color, color); }
> >   FONT[size] { font-size: -ua-attr(size, html-font-size); }
> >
> >Why is this any different the B and CENTER rules above?
> 
> Because they can't be included (and hence, in practice, made subject to
> controlled override) in a user style sheet.

Why, exactly, can they not be included in a user style sheet?

Boris
-- 
The typewriting machine, when played with expression, 
is no more annoying than the piano when played by a 
sister or near relation.
                             -- Oscar Wilde