+notation "hvbox( ⦃ L1, break T1 ⦄ ⧁ + break ⦃ L2 , break T2 ⦄ )"
+ non associative with precedence 45
+ for @{ 'RestSupTermPlus $L1 $T1 $L2 $T2 }.
+
+notation "hvbox( ⦃ L1, break T1 ⦄ ⧁ * break ⦃ L2 , break T2 ⦄ )"
+ non associative with precedence 45
+ for @{ 'RestSupTermStar $L1 $T1 $L2 $T2 }.
+