Pretty class as alternative for Show class

[Christian Maeder]

John Meacham wrote:
>> The HughesPJ output is correct:
>>
>> *DocLike> P.text "a" <+> (P.text "b" <$> P.text "c")
>> a b
>>   c

Could Daan's parser (that I only looked at) create such "correct"
output, too?

> I more often use a
> modified version of Daan's parser that can handle things like html and
> ansi color codes so might not have noticed if I forgot one.

I would like to combine the advantages of HughesPJ (above) and Daan's
parser (including soft breaks).

Cheers Christian