There is no need to. We can simply add to the list when needed.
This is exactly what you are planning to do with style sheets.
> The above goes against a fundamental tenet of SGML (and after a long
> painful period of debate, HTML), which is that the data should be as
> independent as possible from style information.
Oh please, not this again. Stop trying to invent fundamental tenets
that don't exist. SGML is a syntactical language than can express
formatting equally as well as content based markup. Trying to claim
SGML as a "content" only language is an outright lie.
:lou
-- Lou Montulli http://www.mcom.com/people/montulli/ Netscape Communications Corp.