Mon Sep 18 18:05:35 PDT 2006 bjorn at bringert.net
* Fixed source location and instance origin in stand-alone deriving error messages.
M! ./compiler/typecheck/TcDeriv.lhs -27 +27
M ./compiler/typecheck/TcRnTypes.lhs +2
M! ./compiler/typecheck/TcSimplify.lhs -3 +4