texmath-0.12.5: test/roundtrip/double-struck.native

[ EStyled
    TextDoubleStruck
    [ EArray
        [ AlignLeft ]
        [ [ [ EText TextNormal "0123456789" ] ]
        , [ [ EText TextNormal "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ] ]
        , [ [ EText TextNormal "abcdefghijklmnopqrstuvwxyz" ] ]
        ]
    ]
]