[Haddock] Documentation for data family instances

[David Waern]

Hi Rodrigues,

2010/11/22 C Rodrigues <red5_2 at hotmail.com>:
>
> Yes, I agree that instances should be attached to data family declarations.I'll have to puzzle out the instance-collecting code to see how I canextend it to collect data family instances.  I can look into that nextweek.  I'll make this patch independent of the one I wrote before.

Did you make any progress on this? If I understand correctly, the
previous patch should not be applied?

David