class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">days_in_month(?integer,+integer,?integer)</span></code> - <code class="docutils literal notranslate"><span class="pre">zero_or_more</span></code></div>
</div>
</div>
<hr class="docutils" />
</section>
<section id="valid-3">
<span id="datep-0-valid-3"></span><span id="index-6"></span><h3><a class="toc-backref" href="#contents" role="doc-backlink"><code class="docutils literal notranslate"><span class="pre">vali