Putting repeat on the list template is now optional. Including it was…

… a source of confusion since the list sets the model itself.

core-list.html

@@ -21,7 +21,7 @@
 For performance reasons, not every item in the list is rendered at once.
 
     <core-list data="{{data}}" height="80">
-      <template repeat>
+      <template>
         <div class="{{ {selected: selected} | tokenList }}">List row: {{index}}</div>
       </template>
     </core-list>
@@ -183,6 +183,7 @@
         this.updateItem(i, i);
       }
       this.template.model = this._physicalData;
+      this.template.setAttribute('repeat', '');
     },
 
     initializeItems: function() {

demo.html

@@ -81,7 +81,7 @@
     }
   </style>
   <core-list id="list" data="{{data}}" height="80">
-    <template repeat>
+    <template>
       <div class="item {{ {selected: selected} | tokenList }}">
         <div class="message" style="background-image: url(images/{{index % 4}}.png);">
           <span class="from">{{name}}</span>