test/plugins/convertPathData.18.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 36">
    <path d="M32 4a4 4 0 0 0-4-4H8a4 4 0 0 1-4 4v28a4 4 0 0 1 4 4h20a4 4 0 0 0 4-4V4z" fill="#888" transform="matrix(1 0 0 -1 0 36)"/>
</svg>

@@@

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 36">
    <path d="M32 32a4 4 0 0 1-4 4H8a4 4 0 0 0-4-4V4a4 4 0 0 0 4-4h20a4 4 0 0 1 4 4v28z" fill="#888"/>
</svg>