<configure
    xmlns="http://namespaces.zope.org/zope"
    i18n_domain="plone.app.textfield">

    <!-- plone.supermodel configuration -->

    <utility
        component=".handler.RichTextHandler"
        name="plone.app.textfield.RichText"
        />

    <adapter
        factory=".handler.RichTextToUnicode"
        />

</configure>