def renderXRDS(request, type_uris, endpoint_urls):
    """Render an XRDS page with the specified type URIs and endpoint
    URLs in one service block, and return a response with the
    appropriate content-type.
    """
    response = render_to_response(
        'xrds.xml', {'type_uris': type_uris,
                     'endpoint_urls': endpoint_urls},
        context_instance=RequestContext(request))
    response['Content-Type'] = YADIS_CONTENT_TYPE
    return response