ss="output">	beginning of aggregate</pre>
<pre class="output">		token: "10"</pre>
<pre class="output">	first member: ATOM</pre>
<pre class="output">		token: "20"</pre>
<pre class="output">	second member: ATOM</pre>
<pre class="output">		token: "50"</pre>
<pre class="output">	third member: ATOM</pre>
<pre class="output">	end of aggregate</pre>
<pre class="output">first member: (AGGREGATE 3)</pre>
<pre class="output">	beginning of aggregate</pre>
<pre class="output">		token: #\b</pre>
<pre class="output">		to