an><span class="special">;</span>
	<span class="identifier">g</span><span class="special">%=</span><span class="identifier">g</span><span class="special">;</span> <span class="comment">// ok</span>
	<span class="comment">// does not work for contains&lt;bad&gt;</span>
	<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span><span class="special">&lt;&lt;</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">has_modulu