/span> <span class="kw">as_factor</span>(<span class="kw">c</span>(</span>
<span id="cb211-8"><a href="controlling-tooltips.html#cb211-8"></a>    <span class="st">&quot;Glyphs&quot;</span>, <span class="st">&quot;HTML tags&quot;</span>, <span class="st">&quot;Unicode&quot;</span>, </span>
<span id="cb211-9"><a href="controlling-tooltips.html#cb211-9"></a>    <span class="st">&quot;HTML entities&quot;</span>, <span class="st">&quot;A combination&quot;</span></span>
<span id="cb211-10"><a href="controlling-to