William F. Hammond writes:

 > :   . . .                                       your friend TeX will
 > : still be there underneath, formatting away for you.
 >
 > I'm not clear about what this means.  Is it more than print only?
 > Does it refer to Eitan Gurari's "tex4ht"?
 >
i was just thinking of print. i just mean that your <foo> may eventually
become "a^3", and be eaten by a TeX process composing a book

sebastian