rn_bracket _ (TypBr t) = do { (t', fvs) <- rnLHsType TypBrCtx t
                            ; return (TypBr t', fvs) }
rn_bracket _ (TypBr t) = do { (t', fvs) <- rnLHsType TypBrCtx t
                            ; return (TypBr t', fvs) }
rn_bracket _ (TypBr t) = do { (t', fvs) <- rnLHsType TypBrCtx t
                            ; return (TypBr t', fvs) }