Haddock fails with "Module defined in multiple files"

[Mikhail Glushenkov]

Hi,

On 4 March 2014 07:20, Mateusz Kowalczyk <fuuzetsu at fuuzetsu.co.uk> wrote:
>
> I don't follow the changes in cabal (even though I should) so it might
> be something really obvious that changed recently that we aren't aware of.

Can this be related to https://github.com/haskell/cabal/pull/1374 ? I
don't think that documentation for tests and benchmarks is enabled by
default, though...