My sybase FAC doesn't mention such a thing, but I thought I had seen mention of it. If it exists, who maintains it? rjs -- Rob Sargent s-mail: Dept. of Human Genetics e-mail: rob at fosters.med.utah.edu U. of Utah Medical School phone: (801) 585-3388 Eccles Genetics Bldg phax : -3833 Salt Lake City, Utah 84112