anchor.diff:      clique:register_command(Cmd, [], [], Callback).
   
   vmq_cluster_leave_cmd() ->
  -    Cmd = ["vmq-admin", "node", "leave"],
  +    Cmd = ["vmq-admin", "cluster", "leave"],
       KeySpecs = [{node, [{typecast, fun clique_typecast:to_node/1}]}],
       FlagSpecs = [],
       Callback = fun([], _) ->
  
positive.code:     clique:register_usage(["vmq-admin", "node"], node_usage()),
      clique:register_usage(["vmq-admin", "node", "start"], start_usage()),
      clique:register_usage(["vmq-admin", "node", "stop"], stop_usage()),
      clique:register_usage(["vmq-admin", "node", "join"], join_usage()),
      clique:register_usage(["vmq-admin", "node", "leave"], leave_usage()),
      clique:register_usage(["vmq-admin", "node", "upgrade"], upgrade_usage()),
  
      clique:register_usage(["vmq-admin", "session"], session_usage()),
      clique:register_usage(["vmq-admin", "session", "list"], vmq_session_list_usage()),
  
negative.code:     ["vmq-admin <sub-command>\n\n",
       "  administrate the cluster.\n\n",
       "  Sub-commands:\n",
       "    node        Manage this node\n",
       "    cluster     Manage this nodes cluster membership\n",
       "    session     Retrieve session information\n",
       "    config      Manage the internal configuration store\n",
       "    plugin      Manage plugin system\n",
  