<?xml version="1.0" encoding="UTF-8"?>
<document xmlns="http://commonmark.org/xml/1.0">
    <paragraph>
        <text>This is my document.</text>
    </paragraph>
    <heading level="1">
        <heading_permalink slug="hello-world" />
        <text>Hello World!</text>
    </heading>
    <heading level="2">
        <heading_permalink slug="isnt-markdown-great" />
        <text>Isn't Markdown Great?</text>
    </heading>
</document>
