nesting is allowed, but top-level vector attributes are not. e.g T x:y[5] = ... is syntax error. Top level of an attribute is inherently a list. so int x:y = 1, 2, 3, 4, 5; is legal =Dennis Heimbigner Unidata Ticket Details =================== Ticket ID: SGX-325950 Department: Support netCDF Priority: Normal Status: Closed