<test-nested-tags-deep class="nested-tags-deep">
    <test-nested-tags-deep:item foo="bar">
        <test-nested-tags-deep:item:body>
            <b>Deeply nested!</b>
        </test-nested-tags-deep:item:body>
    </test-nested-tags-deep:item>
    <test-nested-tags-deep:item foo="baz">
        <test-nested-tags-deep:item:body>
            <b>Another deeply nested!</b>
        </test-nested-tags-deep:item:body>
    </test-nested-tags-deep:item>
</test-nested-tags-deep>