n> <span class="nv">$data</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="usage-notes">
<h3><a class="toc-backref" href="#id5">Usage Notes</a><a class="headerlink" href="#usage-notes" title="Permalink to this headline">¶</a></h3>
<p>If you include substitution parameters that are not referenced in your
template, they are ignored:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$template</span> <span class="o">=</span> <span class="