*)</span></td></tr><tr id="type-summary.return_attribute" class="anchored"><td class="def record field"><a href="#type-summary.return_attribute" class="anchor"></a><code><span>return_attribute : <a href="Attribute/index.html#type-t">Attribute.t</a>;</span></code></td></tr></table><code><span>}</span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-empty_summary" class="anchored"><a href="#val-empty_summary" class="anchor"></a><code><span><span class="keyword">val</span> empty_summar