class="section" id="extended-features">
<h1>Extended Features<a class="headerlink" href="#extended-features" title="Permalink to this headline">¶</a></h1>
<p>While continuing with the library example, we add some more features as we go.</p>
<div class="section" id="field-descriptions">
<h2>Field Descriptions<a class="headerlink" href="#field-descriptions" title="Permalink to this headline">¶</a></h2>
<p>Sometimes, you want to guide the user a bit more and be more descriptive than
just a label on the detai