[Haskell-cafe] Re: change in overlapping instance behavior between GHC 6.12 and GHC 7 causes compilation failure

[Niklas Broberg]

> What changed between GHC 6.12 and GHC 7.0? Is there a some solution
> besides using IncoherentInstances in every module that imports
> XMLGenerator?

I just want to point out that IncoherentInstances is NOT a solution.
It would probably make the files compile, but not at all with the
semantics we want.

/Niklas