patch applied (ghc): New syntax for stand-alone deriving. Implemented fully.

[bjorn at bringert.net]

Mon Sep 18 16:08:54 PDT 2006  bjorn at bringert.net
  * New syntax for stand-alone deriving. Implemented fully.

    M ./compiler/hsSyn/HsDecls.lhs -3 +3
    M ./compiler/parser/Lexer.x +3
    M ./compiler/parser/Parser.y.pp +11
    M ./compiler/rename/RnSource.lhs -5 +5
    M ./compiler/typecheck/TcDeriv.lhs -8 +21
    M! ./compiler/typecheck/TcInstDcls.lhs -9 +7
    M ./compiler/typecheck/TcRnDriver.lhs -2 +5