02-Jul-2009 Procedures in the default version of the IDL Astro Library are meant to work for versions V6.1 or later. This directory contains updates of procedures that take advantage of new features in IDL V6.4. These procedures will *not* work in earlier versions of IDL. Currently, these procedures must be considered "beta" versions, since they have not been extremely well tested. CREATE_STRUCT, QUERYVIZIER - Use vector form of IDL_VALIDNAME