<<< native
[ EText TextNormal "\8220big\8221"
, ESymbol Bin "+"
, EText TextNormal "\8220bog\8221"
, ESymbol Bin "+"
, EGrouped
    [ EText TextNormal "\8220new\8221"
    , ESymbol Bin "+"
    , EText TextNormal "\8220net\8221"
    , ESymbol Bin "+"
    , EText TextNormal "\8220nod\8221"
    ]
, ESymbol Bin "+"
, EText TextNormal "\8220nix\8221"
]
>>> eqn
roman "“big”" + roman "“bog”" + {roman "“new”" + roman "“net”" + roman "“nod”"} + roman "“nix”"