XOR
https://svg-hosting.vercel.app/api/svg?url=https://scrapbox.io/api/code/suto3/XOR/xor.svg
code:xor.svg
<rect x="5" y="5" width="90" height="90" rx="50" ry="50"
fill="#888" fill-opacity="1" stroke="white" stroke-width="2" />
<text x="19" y="77" font-size="70" stroke-width="2" stroke="black" fill="white"
font-weight="700" letter-spacing="0" word-spacing="0" >
⊕
</text>
</svg>