Il 16/11/2012 08:47, Osier Yang ha scritto: > + <element name="vendor"> > + <data type='string'> > + <param name='pattern'>[a-zA-Z0-9]{0,8}</param> > + </data> > + </element> > + </optional> > + <optional> > + <element name="product"> > + <data type='string'> > + <param name='pattern'>[a-zA-Z0-9]{0,16}</param> > + </data> > + </element> The list of registered SCSI vendors alone includes minus, ampersand, comma and space. I think it is simplest to just allow all printable characters. Paolo -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list