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COMCIFS / magnetic_dic

Development of the magnetic CIF dictionary
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Should there be more formal tags for _space_group_symop_magn_operation.description? #6

Closed jamesrhester closed 8 years ago

jamesrhester commented 8 years ago

The definition and examples for magn_operation.description suggest that there is a formal syntax expected. 'Description' items are usually left for text that is not machine-parseable, however, it appears that the two notations expected could be machine parsed. What about description_Seitz and description_volA as additional tags that allow software to recognise the values?

jamesrhester commented 8 years ago

It was decided after discussion with Branton to remove the examples in order not to give the impression that any particular format was required. If a particular format for the operation is wanted, a new tag can be created. It is still necessary to edit this item's definition to remove the citations to particular formats. Note that the symCIF dictionary uses "operation_description" for descriptive text in accordance with our suggestion.