hannosch / zope.babel / changeset / 3b114acb8ad9

 """
 import zope.component
 from zope.i18nmessage import Message
 from zope.interface import implements
 from zope.babel import translate, interpolate
 from zope.babel.simpletranslationdomain import SimpleTranslationDomain
 from zope.babel.interfaces import INegotiator
 from zope.babel.interfaces import ITranslationDomain
 class TranslationDomain(object):
 class TranslationDomain(SimpleTranslationDomain):
     implements(ITranslationDomain)
-    def __init__(self, domain):
+    def __init__(self, domain=None):
         self.domain = domain
         # _catalogs maps (language, domain) to IMessageCatalog instances
         self._catalogs = {}