[Haskell] haddock -cpp ? Cabal support for haddock ?

[Johannes Waldmann]

What is the preferred way to generate haddockumentation
from code that must be preprocessed (ghc -cpp)?

Would Cabal support this? I'd certainly welcome Cabal support
for other haddock features as well (--source, --read-interface).
I am not sure where to put all these arguments in the .cabal file.

And ... could we have something in haddock like JavaDoc's "@since" tag?
-- 
-- Johannes Waldmann -- Tel/Fax (0341) 3076 6479/80 --
---- http://www.imn.htwk-leipzig.de/~waldmann/ -------