---
title: RFC Example
---

# Introduction

A definition list term without definition

other paragraph

Text uses[^1] undefined footnote.

[^2]: This note is never referenced.

*[API]: Application Programming Interface

The API does not appear in this document.

## Duplicate Heading {#dup}

## Another Heading {#dup}

*text*{: bad!!ial}

$$
unclosed math block

{::comment}
no closing tag
