clip path - SVG clipPath showing black background with transparent fill -


for svg path having fill="transparent", expected not shown anyway.

<path d="m 0 40 l 200 40 l 200 70 l 0 70 l 0 40 z" fill="transparent" fill-opacity="1" stroke="none"></path>

it works if doesn't have clip-path show above, or have single clip-path.

but when has clip-path clip-path, show black background, not ideal case.

here's svg:

    <svg width="1000" height="800">       <path id="rect" d="m 0 40 l 200 40 l 200 70 l 0 70 l 0 40 z" fill="transparent" fill-opacity="1"           stroke="none" clip-path="url(#zr-clip-2)"></path>        <defs>          <clippath id="zr-clip-2" clip-path="url(#zr-clip-1)">            <path d="m 30 10 l 50 10 l 50 180 l 30 180 l 30 10 z" fill="#ff0" fill-opacity="1" stroke="none"></path>          </clippath>          <clippath id="zr-clip-1">            <path d="m 40 50 l 60 50 l 60 75 l 40 75 l 40 50 z" fill="#0f0"></path>          </clippath>        </defs>      </svg>

i want path id="rect" clip intersection of zr-clip-1 , zr-clip-2 when fill not transparent, , show nothing when it's transparent.

but instead, shows black background , it's not same size when fill red:

<svg width="1000" height="800">    <path d="m 0 40 l 200 40 l 200 70 l 0 70 l 0 40 z" fill="transparent" fill-opacity="1" stroke="none" clip-path="url(#zr-clip-2)"></path>    <path d="m 0 40 l 200 40 l 200 70 l 0 70 l 0 40 z" fill="red" fill-opacity="1" stroke="none" clip-path="url(#zr-clip-2)"></path>    <defs>      <clippath id="zr-clip-2" clip-path="url(#zr-clip-1)">        <path d="m 30 10 l 50 10 l 50 180 l 30 180 l 30 10 z" fill="#ff0" fill-opacity="1" stroke="none"></path>      </clippath>      <clippath id="zr-clip-1">        <path d="m 40 50 l 60 50 l 60 75 l 40 75 l 40 50 z" fill="#0f0"></path>      </clippath>    </defs>  </svg>

this seems chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=659790

for time, may set fill=rgba(0, 0, 0, 0.002) hide element.


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