texmath-0.12.5: test/writer/eqn/miSmathsize17.test

<<< native
[ EIdentifier "A"
, ESymbol Bin "+"
, EIdentifier "A"
, ESymbol Bin "+"
, EIdentifier "A"
, ESymbol Bin "+"
, EIdentifier "B"
]
>>> eqn
A + A + A + B