Could you change the link on the
http://code.google.com/p/protobuf/wiki/ThirdPartyAddOns
page for Haskell from
http://darcs.haskell.org/packages/protocol-buffers/
to
http://darcs.haskell.org/packages/protocol-buffers2/
And if there is room can you also add
http://hackage.haskell.org/package/hprotoc
?
--
Chris