-- Michael Wang, | Australian Centre for Unisys Software (ACUS) 115 Wicks Rd, | Internet: michaelw@syacus.acus.oz.au North Ryde, | UUCP: uunet!munnari!syacus.acus.oz.au!michaelw NSW 2113, Australia | Phone: +61 2 3901332 Fax: +61 2 3901391