-notation "hvbox( ⦃ term 46 G1, break term 46 L1, break term 46 T1 ⦄ ≥ ≥ break [ term 46 o, break term 46 h ] break ⦃ term 46 G2, break term 46 L2 , break term 46 T2 ⦄ )"
+notation "hvbox( ⦃ term 46 G1, break term 46 L1, break term 46 T1 ⦄ ≥ ≥ [ break term 46 h, break term 46 o ] ⦃ break term 46 G2, break term 46 L2 , break term 46 T2 ⦄ )"