tion state is provided by the selection model. The field adds
 and removes tags via undoable commands which means that, for example, a deleted tag
 can be recovered by pressing the standard undo (or redo) shortcut.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== PROPERTY SUMMARY =========== -->
<li>
<section class="property-summary" id="property-summary">
<h2>Property Summary</h2>
<div class="caption"><span>Properties</span></div>
<div class="summary-table three-column-