patch applied (ghc-fc2): Use family and instance keyword to identify indexed types

[chak at cse.unsw.edu.au]

Tue Aug 15 17:16:00 PDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * Use family and instance keyword to identify indexed types

    M ./compiler/parser/Lexer.x +3
    M ./compiler/parser/Parser.y.pp -53 +74
    M ./compiler/parser/RdrHsSyn.lhs -20 +16