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<!-- Credit: https://stackoverflow.com/a/54573800 -->
<!-- Credit: https://github.com/m-ou-se/rust-horrible-katex-hack/blob/master/src/lib.rs -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.11.1/katex.min.css" integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous" />
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<script>
document.addEventListener("DOMContentLoaded", () => {
let codes = [...document.getElementsByTagName("code")];
for (let code of codes) {
if (code.classList.contains("language-math")) {
let p = document.createElement("p");
katex.render(code.textContent, p, { displayMode: true });
let pre = code.parentNode;
pre.parentNode.replaceChild(p, pre);
} else if (/^\$.*\$$/.test(code.textContent)) {
let span = document.createElement("span");
katex.render(code.textContent.slice(1, -1), span);
code.parentNode.replaceChild(span, code);
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});
</script>
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