tests/group_opacity_from_colr_1.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128">
  <defs/>
  <path opacity="0.8" d="M19.2,11.52 L19.2,121.6 L61.44,121.6 L61.44,11.52 Z M29.44,20.48 L51.2,20.48 L51.2,111.36 L29.44,111.36 Z"/>
  <g opacity="0.5999755859375">
    <path fill="red" d="M10.24,29.44 L10.24,120.32 L99.84,120.32 L99.84,29.44 Z"/>
    <path fill="blue" d="M5.12,25.6 L5.12,125.44 L104.96,125.44 L104.96,25.6 Z M15.36,34.56 L94.72,34.56 L94.72,115.2 L15.36,115.2 Z"/>
  </g>
  <path d="M104.96,49.92 Q104.96,32 99.84,20.48 Q94.72,5.12 84.48,5.12 Q75.52,5.12 69.12,20.48 Q65.28,32 65.28,49.92 Q65.28,67.84 69.12,80.64 Q75.52,94.72 84.48,94.72 Q94.72,94.72 99.84,80.64 Q104.96,67.84 104.96,49.92 Z M94.72,49.92 Q94.72,65.28 90.88,76.8 Q88.32,84.48 84.48,84.48 Q81.92,84.48 79.36,76.8 Q75.52,65.28 75.52,49.92 Q75.52,34.56 79.36,23.04 Q81.92,15.36 84.48,15.36 Q88.32,15.36 90.88,23.04 Q94.72,34.56 94.72,49.92 Z"/>
</svg>