<configure
  xmlns="http://namespaces.zope.org/zope"
  xmlns:apidoc="http://namespaces.zope.org/apidoc"
  xmlns:zcml="http://namespaces.zope.org/zcml"
  i18n_domain="zope">

  <include
      zcml:condition="have devmode"
      file="enabled.zcml"
      />

  <include
      zcml:condition="not-have devmode"
      file="disabled.zcml"
      />

</configure>
