tapestry-core/src/test/app1/ValidateCheckboxMustBeChecked.tml - tapestry-5 - Git at Google

 <html t:type="border" xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd">
 <t:form>
     <t:Checkbox value="value" validate="checked" />
     <t:submit/>
 </t:form>
 Checkbox's value: ${value}
 </html>
	<html t:type="border" xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd">
	<t:form>
	<t:Checkbox value="value" validate="checked" />
	<t:submit/>
	</t:form>
	Checkbox's value: ${value}
	</html>