haddock-2.3.0 literate comments discarded from .lhs input

[Alistair Bayley]

>> [1 of 1] Compiling Test.Fail        ( Test\Fail.hs, Test\Fail.o )
>>
>> Test\Fail.hs:11:26:
>>    Can't make a derived instance of `Typeable Fail'
>>      (You need -XDeriveDataTypeable to derive an instance for this class)
>>    In the data type declaration for `Fail'
>
> Are you processing the above module but it is called Test.Fail in
> reality? Have you stripped out a deriving statement from the example
> above? I'm very confused by this message :)


Sorry, my mistake. I pasted the error message from a different
problem. This is the error I get from haddock:

C:\bayleya\eclipse\workspace\takusen\src>haddock -h --odir=doc Test/Haddock.lhs
Cannot find documentation for: $named_block

Alistair