Most of the following content is directly copied from Hexo official documentation

Tag plugins are different from post tags. They are ported from Octopress and provide a useful way for you to quickly add specific content to your posts.

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$$f\left(a\right)=\frac{1}{2\pi i}{\oint }_{\gamma }\frac{f\left(z\right)}{z-a}dz$$

Configuration

To enable MathJax support, just set plugins.mathjax = true in your theme _config.yml file.

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The following photos come from pexel.com

You can add photos between text to create a gallery like this:

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