      Now what's the attribute of
      </p>
<pre class="programlisting"><span class="char">'"'</span> <span class="special">&gt;&gt;</span> <span class="special">+(</span><span class="identifier">char_</span> <span class="special">-</span> <span class="char">'"'</span><span class="special">)</span> <span class="special">&gt;&gt;</span> <span class="char">'"'</span>
</pre>
<p>
        ?
      </p>
<p>
        Well, typically, the attribute of:
      </p>
<pre class="programlisting"><span class="identifier">