patch applied (packages/base): In nhc98, Word is a type synonym, so class instance is not possible.

[Malcolm Wallace]

Wed Sep 17 00:53:26 PDT 2008  Malcolm.Wallace at cs.york.ac.uk
  * In nhc98, Word is a type synonym, so class instance is not possible.

    M ./Text/Printf.hs +2

View patch online:
http://darcs.haskell.org/packages/base/_darcs/patches/20080917075326-6871e-9a488b4448a757b8d5a36feda19b6bbaaff3512c.gz