Image dictionary (imgCIF) version 1.5.4 definitions

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#                                                                            #
#                       Image CIF Dictionary (imgCIF)                        #
#             and Crystallographic Binary File Dictionary (CBF)              #
#            Extending the Macromolecular CIF Dictionary (mmCIF)             #
#                                                                            #
#                              Version 1.5.4                                 #
#                              of 2007-07-28                                 #
#    ###################################################################     #
#    # *** WARNING *** THIS IS A DRAFT FOR DISCUSSSION *** WARNING *** #     #
#    #                 SUBJECT TO CHANGE WITHOUT NOTICE                #     #
#    #       SEND COMMENTS TO imgcif-l@iucr.org CITING THE VERSION     #     #
#    ###################################################################     #
#                  This draft edited by H. J. Bernstein                      #
#                                                                            #
#     by Andrew P. Hammersley, Herbert J. Bernstein and John D. Westbrook    #
#                                                                            #
# This dictionary was adapted from format discussed at the imgCIF Workshop,  #
# held at BNL Oct 1997 and the Crystallographic Binary File Format Draft     #
# Proposal by Andrew Hammersley.  The first DDL 2.1 Version was created by   #
# John Westbrook.  This version was drafted by Herbert J. Bernstein and      #
# incorporates comments by I. David Brown, John Westbrook, Brian McMahon,    #
# Bob Sweet, Paul Ellis, Harry Powell, Wilfred Li, Gotzon Madariaga,         #
# Frances C. Bernstein, Chris Nielsen, Nicola Ashcroft and others.           #
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Definitions are arranged alphabetically by category and within category.