Merge branch '6.4' into 7.1

* 6.4:
  [EventDispatcher] Fix the syntax of the Learn More list

Author: javiereguiluz

components/event_dispatcher.rst

@@ -476,11 +476,7 @@ with some other dispatchers:
 Learn More
 ----------
 
-.. toctree::
-    :maxdepth: 1
-
-    /components/event_dispatcher/generic_event
-
+* :doc:`/components/event_dispatcher/generic_event`
 * :ref:`The kernel.event_listener tag <dic-tags-kernel-event-listener>`
 * :ref:`The kernel.event_subscriber tag <dic-tags-kernel-event-subscriber>`