?<taglib>
	……
	 <tag>
	  	<name>testAttribute</name>
	  	<tag-class>org.it315.TestAttributeTag</tag-class>
	  	<body-content>empty</body-content>
	  	<attribute>
			<description>description</description>
    		<name>attr</name>
	    	<required>true</required>
	    	<rtexprvalue>true</rtexprvalue>
		</attribute>
	</tag> 
</taglib>