[Yhc] NYHC parsing of pattern guards

[Malcolm Wallace]

"Neil Mitchell" <ndmitchell at gmail.com> wrote:

> Q1: Where do I send these emails on the shared Yhc/nhc bit? Should we
> perhaps merge both into one list?

The Yhc list should be OK, since I think I'm the only person who
contributes on the nhc98 side anyway.  :-)

> Q2: There seems to be a bug in the pattern guard parsing:
> 
> test
>     | a = b
>     | Just c <- d = e
> 
> Found | but expected a {-end-of-definition-or-EOF-}

Now fixed I hope.

Regards,
    Malcolm