ed to
subvert the server process</li>
<li><code>source-start=SOURCE_START</code>,
<code>start-env=START_ENV</code>: as above, but for commands started by
the server</li>
<li><code>mdns</code> will advertise sessions on local networks</li>
<li><code>readonly</code> sessions are unable to receive any keyboard or
pointer input</li>
<li><code>sharing</code> and <code>lock</code> control if and when
sessions are transferred between clients</li>
<li><code>border</code>, <code>min-size</code>, <code>max-size</code