anchor.diff:     _node_—a _node name_ or {nil}. The default is {nil}.
   
      _host_—a _host_ as accepted by [resolve-address](http://ccl.clozure.com/docs/ccl.html#f_resolve-address).
  -   The default is the local host name as reported by {machine-instance}.
  +   The default is the host name of the local node.
   
      *Description:*
   
  
positive.code:    ;; Start talking to remote nodes:
     (spawn 'node)
     #
  
     *Exceptional Situations:*
  
  
negative.code: 
     If _node_ is _non-nil_ the _agent_ is started on _node_ of _host_ instead of
     the local node.
  
     *Affected By:*
  
     {node}
  
     *Exceptional Situations:*
  
  