msupBsize2.test

<<< native
[ ESuper (EIdentifier "x") (ENumber "1")
, ESymbol Bin "+"
, ESuper (EIdentifier "x") (EIdentifier "a")
, ESymbol Bin "+"
, ESuper (EIdentifier "H") (EIdentifier "a")
, ESymbol Bin "+"
, ESuper (EIdentifier "H") (ENumber "1")
]
>>> eqn
x sup 1 + x sup a + H sup a + H sup 1