Greetings ... I have placed DDL 2.1.1 on our server. This version includes a few minor changes and corrections. Here is the list of corrections and changes... Changes: (JW) + Changed regular expressions for type code to permit single quote. + Corrected regular expression syntax for type name and type date. + Corrected lower bound description for item_range.minimum. The incorrect <= condition is changed to <. + _item_mandatory.code has been now a mandatory item. + _item_aliases.dictionary and _item_aliases.dictionary_version are added to the composite key for category ITEM_ALIASES. + _datablock.id data type changes to type code. + Shortened the name _item_aliases.dictionary_version to _item_aliases.version Regards, John -- **************************************************************************** * John Westbrook Ph: (908) 445-5156 * * Department of Chemistry Fax: (908) 445-5958 * * Rutgers University * * PO Box 939 e-mail: jwest@rutchem.rutgers.edu * * Piscataway, NJ 08855-0939 * ****************************************************************************