CIF2 syntax document for COMCIFS approval

James Hester jamesrhester at
Tue Nov 16 23:28:32 GMT 2010


After more than a year of discussion, the DDLm working group has
converged on a specification for a new CIF syntax, dubbed "CIF2".  The
one-page document describing the changes relative to CIF1 is available
on the IUCr website at
A record of the extensive discussions of the DDLm working group is
available at, with
encoding-specific discussions taking place at

This CIF2 specification is now presented to COMCIFS for approval. I
urge all COMCIFS voting members to register their vote in a timely

James Hester
T +61 (02) 9717 9907
F +61 (02) 9717 3145
M +61 (04) 0249 4148

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