remove plain objects

Author: bergos

interface-spec.html

@@ -99,12 +99,10 @@ <h2>Design elements and principles</h2>
     <li>Instances of the interfaces created with different libraries should be interoperable.</li>
     <li>Interfaces do <em>not</em> specify how instances are stored in memory.</li>
     <li>Interfaces mandate specific pre-defined methods such as <code>.equals()</code>.</li>
-    <li>Given the necessity of methods, plain objects (JSON) cannot be used.</li>
     <li>
       Factory functions (e.g., <code>quad()</code>) or methods (e.g.,
       <code>store.createQuad()</code>) create instances.
     </li>
-    <li>Should allow "upgrading" a plain object into a fully functional triple</li>
     <li>Interfaces may have additional implementation specific properties.</li>
   </ul>