vocabularies/configure.zcml

<configure
    xmlns="http://namespaces.zope.org/zope"
    i18n_domain="jlu.zsbdb">

    <!-- -*- extra stuff goes here -*- -->

    <utility
        component=".example_vocabulary.ExampleVocabularyVocabularyFactory"
        name="test.package.ExampleVocabulary"
    />


</configure>