</li>
<li>
+ <h3>Cancel ( nothing ) --> nothing</h3>
+ <p>Stop ongoing P2P group formation operation.</p>
+ </li>
+
+ <li>
<h3>Invite ( a{sv} : args ) --> nothing</h3>
<p>Invite a peer to join an already operating group or to re-invoke a persistent group.</p>
<h4>Arguments</h4>