On Tue, Nov 22, 2011 at 14:50, Alexandru Plugaru <alexandru.plugaru at gmail.com> wrote: > Actually for DirectoryViewSurrogate (see the second paste) that is not > the case since it subclasses OFS.Folder.Folder - which is persistent. Yes, it reuses Folder, but it is not intended to be persisted. -- Martijn Pieters