Just use HTML.
<div class="remark-highlight"><pre class="language-markdown"><code class="language-markdown">a [link](#unique) to the same page

&#x3C;div id="unique">&#x3C;/div>
</code></pre></div>
The official markdown spec doesn't support this feature. That's why HTML is required.
Source for this idea - <a href="https://github.com/BurntSushi/ripgrep/">ripgrep's Readme</a>.
<hr>
A markdown processor like <code>remark-autolink-headings</code> adds these IDs to all heading tags.

Just use HTML.
a [link](#unique) to the same page

\<div id="unique">\</div>


The official markdown spec doesn't support this feature. That's why HTML is required.
Source for this idea - ripgrep's Readme.

A markdown processor like remark-autolink-headings adds these IDs to all heading tags.

HTML Intra page links