
<p>For example, <code>dual-headed:0.1</code> would specify screen 1 of display
0 on the machine named &ldquo;dual-headed&rdquo;.
</p>
<p>Check the X11 specification for more detailed information about the
display name format.
</p>
</dd>
<dt>&lsquo;<samp>window_id</samp>&rsquo;</dt>
<dd><p>When set to non-zero value then device doesn&rsquo;t create new window,
but uses existing one with provided <var>window_id</var>. By default
this options is set to zero and device creates its own window.
</p>
</dd>
<dt>&l