+notation "hvbox( ⦃ h , break L ⦄ ⊢ break term 46 T1 • ➡ * break [ g ] break term 46 T2 )"
+ non associative with precedence 45
+ for @{ 'XPRedStar $h $g $L $T1 $T2 }.
+
+notation "hvbox( ⦃ h , break L ⦄ ⊢ • ⬊ * break [ g ] break term 46 T2 )"
+ non associative with precedence 45
+ for @{ 'XSN $h $g $L $T }.
+
+notation "hvbox( h ⊢ break ⦃ L1, break T1 ⦄ • ⥸ * break [ g ] break ⦃ L2 , break T2 ⦄ )"
+ non associative with precedence 45
+ for @{ 'YPRedStar $h $g $L1 $T1 $L2 $T2 }.
+
+notation "hvbox( h ⊢ break ⦃ L1, break T1 ⦄ • ⭃ * break [ g ] break ⦃ L2 , break T2 ⦄ )"
+ non associative with precedence 45
+ for @{ 'YPRedStepStar $h $g $L1 $T1 $L2 $T2 }.
+