On 05 Jan, 2011,at 10:38 AM, Simon Marlow <marlowsd@gmail.com> wrote:

What about the Haskell 98 compatibility problem? Do we say in GHC 7.2
that the haskell98 package can no longer be used together with base?

It seems that it is already impossible to use haskell98-1.1 with ghc-6.12.x, but it could be just that the published package dependencies are wrong. (There was a -cafe thread about this the other day, under the title "HaXml install problems".)