CSS, '.tocxref'

Hi -

I'm putting together some rather complex itinerary notes for a non-profit organization that requires the use of compound/nested ordered lists that extend as far as four points - e.g. 1.1.2.3. I noticed that you at WC3 use a CSS class called '.tocxref' to get compound numbers in your ordered lists, but I don't see the definition in any of your accessible stylesheets.

If I may, what's the '.tocxref'  secret recipe?

Thanks in advance,

Victor Sparrow

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Victor Sparrow
Internet Services
Council for Exceptional Children
www.cec.sped.org