Dictionary Definition Language DDL1

The basic Dictionary Definition Language (DDL1) is a formalism employed for the recording of CIF data names and their definitions and properties within CIF dictionaries. See also the relational DDL2 dictionary definition language.

Current official release

• DDL1 dictionary (IUCr site)
• HTML version
• Search for a data name

Version (1.4.1 of 29 June 2005) available on this disk

• ASCII file for software applications [ Unix | DOS/Windows | MacOS ]
• HTML version indexed by data items
• PDF file of the printed chapter (4.9)