patch applied (ghc): Deriving Typeable changes

[Simon Peyton Jones]

Mon Nov 15 15:11:46 PST 2010  simonpj at microsoft.com
  * Deriving Typeable changes
  
  * Fix a bug that led to a crash with
      data family T a
      deriving Functor T
  
  * Allow deriving Typeable for data families
      data family T a
      deriving Typeable1 T
  
  * Some refactoring and tidying

    M ./compiler/typecheck/TcDeriv.lhs -47 +58

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20101115231146-1287e-4cc9b31107561fdf3dad4963b6cbca745b20292a.gz