de> inside (and the like).</p>
<p>This setting is implied if <code>#[proc_macro_error]</code> is applied to a function
marked as <code>#[proc_macro]</code>, <code>#[proc_macro_derive]</code> or <code>#[proc_macro_attribute]</code>.</p>
<p>This setting is also implied if <code>proc-macro-hack</code> was detected.</p>
</li>
</ul>
<h3 id="diagnostic-type" class="section-header"><a href="#diagnostic-type">Diagnostic type</a></h3>
<p><a href="struct.Diagnostic.html"><code>Diagnostic</code></a> type is intentiona