broken Monad Either instance?

[Christian Maeder]

Am 29.11.2011 13:00, schrieb Paterson, Ross:
> Ross Paterson writes:
>> Christian Maeder writes:
>>> Was there a library proposal that I've missed? Does any release note
>>> mention this change?
>>
>> The library proposal was
>> http://thread.gmane.org/gmane.comp.lang.haskell.libraries/13196
>
> The patches were on the ticket: http://hackage.haskell.org/trac/ghc/ticket/4159

Thanks, I must have overlooked the consequences of "moving instances".
My "no" would not have changed anything, though. Let's see who else will 
be bitten by this change (years later).

Cheers Christian