GitHub Markdown Footnotes
GitHub 现在支持在 Markdown 中使用脚注功能，用户可以通过特定语法添加和引用脚注，提升文档的可读性和参考性。
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比如这段markdown就可以渲染出下面的效果：markdown具体参考GitHub的官方文档[^1][^1]: [basic-writing-and-formatting-syntax#footnotes](https://docs.github.com/en/github/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#footnotes)具体参考GitHub的官方文档[^1][^1]: basic-writing-and-formatting-syntax#footnotes