</span><span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp163959840"></a><h2>Description</h2>
<p>Construct the <code class="computeroutput">is_classified</code> predicate for the <code class="computeroutput">ctype_base::alpha</code> category.</p>
<p>

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<td><p><span class="term">Parameters:</span></p></td>
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