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[ddlm-group] Adding a DDLm attribute for uniqueness
- To: ddlm-group <ddlm-group@iucr.org>
- Subject: [ddlm-group] Adding a DDLm attribute for uniqueness
- From: James Hester <jamesrhester@gmail.com>
- Date: Fri, 28 Jun 2019 09:36:10 +1000
Dear DDLm group,
A proposal has been put forward to enhance DDLm by the addition of an attribute that specifies that values of an item or group of items must be unique within a loop. This is something that was present in DDL1 and is absent in DDL2 and DDLm. The details of the proposal and some initial discussion are available at https://github.com/COMCIFS/cif_core/issues/119 .
Please provide your thoughts on this proposal.
best wishes,
James.
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