rn_bracket _ (TExpBr e) = do { (e', fvs) <- rnLExpr e
                             ; return (TExpBr e', fvs) }
rn_bracket _ (TExpBr e) = do { (e', fvs) <- rnLExpr e
                             ; return (TExpBr e', fvs) }
rn_bracket _ (TExpBr e) = do { (e', fvs) <- rnLExpr e
                             ; return (TExpBr e', fvs) }