de> in this case) is read
up to the closing bracket by <a href="http://www.lispworks.com/documentation/HyperSpec/Body/f_rd_del.htm#read-delimited-list"><code>READ-DELIMITED-LIST</code></a>. This results in a call
to <a href="#invoke"><code>INVOKE</code></a> like this:
<pre>
(<a class=noborder href="#invoke">invoke</a> type "IsSubclassOf" other-type)
</pre>
If the symbol starts with a percent or dollar, sign then it is removed
and the result is a call to <a href="#property"><code>PROPERTY</code></a> or <a hr