- = vcat [ptext SLIT("Can't derive instances where the instance context mentions"),
- ptext SLIT("type variables that are not data type parameters"),
- nest 2 (ptext SLIT("Offending constraint:") <+> ppr pred)]
+ = vcat [ptext (sLit "Can't derive instances where the instance context mentions"),
+ ptext (sLit "type variables that are not data type parameters"),
+ nest 2 (ptext (sLit "Offending constraint:") <+> ppr pred)]