Add rel=self link too feed.

lib/pleroma/web/ostatus/feed_representer.ex

@@ -21,7 +21,8 @@ def to_simple_form(user, activities, users) do
         {:title, ['#{user.nickname}\'s timeline']},
         {:updated, h.(most_recent_update)},
         {:link, [rel: 'hub', href: h.(OStatus.pubsub_path(user))], []},
-        {:author, UserRepresenter.to_simple_form(user)}
+        {:link, [rel: 'self', href: h.(OStatus.feed_path(user))], []},
+        {:author, UserRepresenter.to_simple_form(user)},
       ] ++ entries
     }]
   end

test/web/ostatus/feed_representer_test.exs

@@ -27,6 +27,7 @@ test "returns a feed of the last 20 items of the user" do
       <title>#{user.nickname}'s timeline</title>
       <updated>#{most_recent_update}</updated>
       <link rel="hub" href="#{OStatus.pubsub_path(user)}" />
+      <link rel="self" href="#{OStatus.feed_path(user)}" />
       <author>
         #{user_xml}
       </author>