maint-5-2/tapestry-core/src/test/resources/org/apache/tapestry5/internal/services/extension_point_must_have_id.tml

<t:container xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"
             xmlns:p="tapestry:parameter">
    <t:extension-point></t:extension-point>
</t:container>