texmath-0.12.5: test/writer/eqn/stretchHoriz2.test
<<< native
[ EDelimited
""
""
[ Right (EIdentifier "g")
, Right (ESymbol Rel "=")
, Right (EIdentifier "A")
, Left "\8592"
, Right (EIdentifier "x")
, Left "\8594"
, Right (EIdentifier "H")
, Left "\8596"
, Right (EIdentifier "H")
]
]
>>> eqn
left "" g = A "←" x "→" H "↔" H right ""