"special">&lt;</span><span class="identifier">unspecified</span><span class="special">&gt;;</span>
<span class="special">};</span>
</pre>
<h6>
<a name="spirit.advanced.customize.string_traits.is_char.h4"></a>
            <span class="phrase"><a name="spirit.advanced.customize.string_traits.is_char.template_parameters"></a></span><a class="link" href="is_char.html#spirit.advanced.customize.string_traits.is_char.template_parameters">Template
            parameters</a>
          </h6>
<div class="informaltable