ach detected line break. This is safe as no backtracking will
          occur after any line end. The following code snippet shows the usage of
          <code class="computeroutput"><span class="identifier">flush_multi_pass</span></code> for this
          purpose.
        </p>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Iterator</span><span class="special">,</span> <span class="ke