so that the output
phrase is valid.</p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="fu"><a href="../reference/append_phrases.html">pc</a></span><span class="op">(</span><span class="st">"c d e"</span>, <span class="st">"f g a"</span><span class="op">)</span></span></code></pre></div>
<pre class="r-output"><code><span><span class="co">#&gt; &lt;Noteworthy string&gt;</span></span>
<span><span class="co">#&gt;   Format: space-delimited time<