25"></a>
<a class="sourceLine" id="cb27-26" title="26">c &lt;-<span class="st"> "a"</span></a>
<a class="sourceLine" id="cb27-27" title="27"><span class="co"># Message if c is a character</span></a>
<a class="sourceLine" id="cb27-28" title="28"><span class="kw"><a href="reference/messagehandler.html">message_if</a></span>(<span class="dt">.x =</span> c, </a>
<a class="sourceLine" id="cb27-29" title="29">           <span class="dt">.p =</span> is.character, </a>
<a class="sourceLine" id="cb27-30" title="30">