maint-5-2/tapestry-core/src/test/app1/MessageConstraintGeneratorDemo.tml

<t:border xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"
          xmlns:p="tapestry:parameter">

    <h1>Validators specified in message catalog</h1>

    <t:beaneditform t:id="form" object="pet">
        <p:age>
            <t:label for="age"/> <t:textfield t:id="age" value="pet.age"/>
        </p:age>
    </t:beaneditform>

</t:border>