ll add a key <code class="mendoza-code">:doc</code> with the docstring
as its value.
</p>
<p>In the case of function and macro definitions, the string that occurs before the
tuple of arguments is used as the docstring. In other cases, the string that
occurs before the final value is used as the docstring. The string should come
after any tags (e.g. <code class="mendoza-code">:private</code>) that are associated with the binding.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="m