David, These are requirements from some members of WG11. Others may have other requirements. We are in a phase to collect them. Maybe you have some? Lothar -- // Lothar Klein, LKSoftWare GmbH // Steinweg 1, 36093 Kuenzell, Germany // Tel: +49 661 933933-0, Fax: -2 // Email: lothar.klein at lksoft.com // URL: http://www.lksoft.com