如何修复 KaTeX parse error: KaTeX doesn't work in quirks mode

问题：

你正在网站上使用 KaTeX，但每次尝试渲染时，你遇到以下错误消息：

katex_error.txt

Uncaught Error: KaTeX parse error: KaTeX doesn't work in quirks mode.
    at new e (VM697 katex.min.js:1)
    at Object.l [as render] (VM697 katex.min.js:1)
[...]

Uncaught Error: KaTeX parse error: KaTeX doesn't work in quirks mode.
    at new e (VM697 katex.min.js:1)
    at Object.l [as render] (VM697 katex.min.js:1)
[...]

解决方案

KaTeX 要求你的 HTML 页面上有有效的 DOCTYPE 声明，所以在你的 HTML 文件顶部，<html> 上方添加此行

doctype.html

<!DOCTYPE html>

<!DOCTYPE html>

感谢 GitHub 上的 @xymostech 在 KaTeX 问题跟踪器中提供的原始解决方案：

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