How to: Markup language
* CommonMark
  * [pulldown-cmark/pulldown-cmark](https://github.com/pulldown-cmark/pulldown-cmark) - [CommonMark](https://commonmark.org/) parser
* [insomnimus/tidier](https://github.com/insomnimus/tidier) [[tidier](https://crates.io/crates/tidier)] - A library to format HTML, XHTML and XML documents. [![build badge](https://github.com/insomnimus/tidier/actions/workflows/main.yml/badge.svg?branch=main)](https://github.com/insomnimus/tidier/actions)