href="reference-Plugins.html#plugin">plugin</a> needs to have <a class="reference external" href="reference-Plugins.html#on_unknown_torrent()">on_unknown_torrent()</a>
called even if there is no active torrent in the <a class="reference external" href="reference-Session.html#session">session</a></dd>
</dl>
<a name="torrent_plugin"></a><span class="report-issue">[<a href="http://github.com/arvidn/libtorrent/issues/new?title=docs:class+torrent_plugin&labels=documentation&body=Documentation+under+heading+%22cl