test/plugins/removeUselessStrokeAndFill.01.svg

<svg xmlns="http://www.w3.org/2000/svg">
    <defs>
        <g id="test">
            <rect stroke-dashoffset="5" width="100" height="100"/>
        </g>
    </defs>
    <circle fill="red" stroke-width="6" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    <circle fill="red" stroke="#000" stroke-width="6" stroke-dashoffset="5" stroke-opacity="0" cx="60" cy="60" r="50"/>
    <circle fill="red" stroke="#000" stroke-width="0" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    <circle fill="red" stroke="#000" stroke-width="6" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    <g stroke="#000" stroke-width="6">
        <circle fill="red" stroke="red" stroke-width="0" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
        <circle fill="red" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    </g>
    <g stroke="#000">
        <circle fill="red" stroke-width="0" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
        <circle fill="red" stroke="none" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    </g>
</svg>

@@@

<svg xmlns="http://www.w3.org/2000/svg">
    <defs>
        <g id="test">
            <rect stroke-dashoffset="5" width="100" height="100"/>
        </g>
    </defs>
    <circle fill="red" cx="60" cy="60" r="50"/>
    <circle fill="red" cx="60" cy="60" r="50"/>
    <circle fill="red" cx="60" cy="60" r="50"/>
    <circle fill="red" stroke="#000" stroke-width="6" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    <g stroke="#000" stroke-width="6">
        <circle fill="red" cx="60" cy="60" r="50" stroke="none"/>
        <circle fill="red" stroke-dashoffset="5" cx="60" cy="60" r="50"/>
    </g>
    <g stroke="#000">
        <circle fill="red" cx="60" cy="60" r="50" stroke="none"/>
        <circle fill="red" cx="60" cy="60" r="50" stroke="none"/>
    </g>
</svg>