Mark AP terms which are at risk, and add Public

Author: rhiaro

ns/activitystreams.jsonld

@@ -357,6 +357,10 @@
       "@id": "as:sharedInbox",
       "@type": "@id"
     },
+    "Public": {
+      "@id": "as:Public",
+      "@type": "@id"
+    },
     "source": "as:source"
   }
 }

ns/index.html

@@ -797,13 +797,17 @@ <h3 id="x4.1-activitypub"><span class="secno">4.1 </span>ActivityPub</h3>
                 <li><a href="https://www.w3.org/TR/activitypub#oauthAuthorizationEndpoint" id="oauthAuthorizationEndpoint">oauthAuthorizationEndpoint</a> (<code>@id</code>)</li>
                 <li><a href="https://www.w3.org/TR/activitypub#oauthTokenEndpoint" id="oauthTokenEndpoint">oauthTokenEndpoint</a> (<code>@id</code>)</li>
                 <li><a href="https://www.w3.org/TR/activitypub#outbox-property" id="outbox">outbox</a> (<code>@id</code>)</li>
-                <li><a href="https://www.w3.org/TR/activitypub#preferredUsername" id="preferredUsername">preferredUsername</a> </li>
                 <li><a href="https://www.w3.org/TR/activitypub#provideClientKey" id="provideClientKey">provideClientKey</a> (<code>@id</code>)</li>
                 <li><a href="https://www.w3.org/TR/activitypub#proxyUrl" id="proxyUrl">proxyUrl</a> (<code>@id</code>)</li>
-                <li><a href="https://www.w3.org/TR/activitypub#sharedInbox" id="sharedInbox">sharedInbox</a> (<code>@id</code>)</li>
+                <li><a href="https://www.w3.org/TR/activitypub#public-addressing" id="Public">Public</a> (<code>@id</code>)</li>
                 <li><a href="https://www.w3.org/TR/activitypub#signClientKey" id="signClientKey">signClientKey</a> (<code>@id</code>)</li>
-                <li><a href="https://www.w3.org/TR/activitypub#source" id="source">source</a> </li>
                 <li><a href="https://www.w3.org/TR/activitypub#streams-property" id="streams">streams</a> (<code>@id</code>)</li>
+            </ul>
+            <p>The following ActivityPub terms are <strong>at risk</strong>:</p>
+            <ul>
+                <li><a href="https://www.w3.org/TR/activitypub#preferredUsername" id="preferredUsername">preferredUsername</a> </li>
+                <li><a href="https://www.w3.org/TR/activitypub#sharedInbox" id="sharedInbox">sharedInbox</a> (<code>@id</code>)</li>
+                <li><a href="https://www.w3.org/TR/activitypub#source" id="source">source</a> </li>
                 <li><a href="https://www.w3.org/TR/activitypub#uploadMedia" id="uploadMedia">uploadMedia</a> (<code>@id</code>)</li>
             </ul>
         </section>