.advanced.customize.string_traits.is_char.synopsis"></a></span><a class="link" href="is_char.html#spirit.advanced.customize.string_traits.is_char.synopsis">Synopsis</a>
          </h6>
<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">is_char</span>
<span class="special">{</span>
    <span class=