n-left:10%; margin-top: 1em">.PS
P: [box &quot;foo&quot;; ellipse &quot;bar&quot;];
Q: [
     [box &quot;baz&quot;; ellipse &quot;quxx&quot;]
     &quot;random text&quot;;
   ]
arrow from 2nd last [];
.PE</pre>


<p style="margin-top: 1em"><font color="#000000">the arrow
in the last line is attached to object <b>P</b>, not object
<b>Q</b>.</font></p>

<p style="margin-top: 1em"><font color="#000000">In DWB
<b>pic</b>, only references one level deep into enclosed
blocks were permitted. GNU <b>gpic</b> remove