tapestry-core/src/test/app1/UnavailableComponentDemo.tml

<t:container xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd">

	<t:textoutput value="foo"/>
	
	<t:unavailablecomponent/>
	
	<t:textoutput value="bar"/>

</t:container>