Mr. Will

How to write chemical equations with mhchem in LaTeX

1

[mhchem](https://mhchem.github.io/MathJax-mhchem/) is a tool for writing chemical equations, which is supported by KaTeX, but requires me to include it before using it. However, I didn't see any options to include...

Fix missing empty lines when encountering unsupported languages

3

## Why: Closes: #4825 ## What's being changed (if available, include any code snippets, screenshots, or gifs): A space is added to `::after` if the code `` is `:empty`. ##...

**Describe the bug** Empty lines in code blocks are invisible if syntax highlighting doesn't support them. **To Reproduce** Steps to reproduce the behavior: ``` \`\`\`js import { useState } from...

Add a new theme — [Hexo Theme Cupertino](https://github.com/MrWillCom/hexo-theme-cupertino).