Re. Web development with Python 3.1

[Rustom Mody]

Rober Kern wrote
> But if you insist, you may be interested in Breve:

>   http://pypi.python.org/pypi/Breve/

Thanks for that! Viva internal DSLs!
[Sorry -- cut my teeth on lisp]

Is there anything like this for xml?
Well I guess that is a slightly wrong (if not straight stupid) question.

Maybe something along this line:
Takes a spec as DTD or Relax-ng or somethn and produces something like Breve?