the 'processor levels' sections is normative

Author: pchampin

index.html

@@ -918,7 +918,7 @@ <h2>RDF Serialization/Deserialization</h2>
     </tbody>
   </table>
 
-  <section class="informative">
+  <section>
     <h2>Processor Levels</h2>
     <p>JSON-LD mostly uses the JSON syntax [[RFC8259]] along with
       various micro-syntaxes based on XML Schema datatypes [[XMLSCHEMA11-2]].