"special">);</span>
<span class="special">}}}</span>
</pre>
<p>
            All functions above return <code class="computeroutput"><span class="keyword">true</span></code>
            if none of the involved generator components failed, and <code class="computeroutput"><span class="keyword">false</span></code> otherwise. If during the process
            of the output generation the underlying output stream reports an error,
            the return value will be <code class="computeroutput"><span class="key