%S &lt;room1&gt;[ &lt;key1&gt;][,&lt;room2&gt;[ &lt;key2&gt;]]*: Enter one or more channels, optionally providing a channel key for each if needed.
%S &lt;rum1&gt;[ &lt;hesło1&gt;][,&lt;rum2&gt;[ &lt;hesło2&gt;]]*: Do jednoho kanala abo do wjacorych kanalow zastupić, wužiwajo kanalowe hesło, jeli trěbne.