def create_nv_link(self):
        """After a save(), write a link to the saved file using a non-versioned name"""
        from os.path import abspath, islink
        from os import unlink, symlink

        nv_name = self.doc.as_version(None)

        from_path =  abspath(self._last_write_path or self.package_path.path)

        to_path = join(dirname(from_path), nv_name + self.type_suffix)

        if islink(to_path):
            unlink(to_path)

        symlink(from_path, to_path)