unique constraint uses equals not matches

src/ttfrog/themes/default/base.html

@@ -12,11 +12,12 @@
 </head>
 <body>
     <nav>
-        <ul>
-            <li><a href="{{ url_for('index') }}">Home</a></li>
-        </ul>
+        {% for uri, stub in breadcrumbs %}
+        <span>&nbsp; / <a href="{{ app.config.VIEW_URI }}{{ uri }}">{{ stub }}</a></span>
+        {% endfor %}
     </nav>
     <nav>
+        Menu: 
         <ul>
             {% block menu %}{% endblock %}
         </ul>