Add _definition.update to mandatory category attributes - Githubissues

COMCIFS / cif_core

The IUCr CIF core dictionary

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Add _definition.update to mandatory category attributes #493

Closed vaitkus closed 4 months ago

vaitkus commented 4 months ago

This PR adds _definition.update to the list of attributes mandatory for the 'Category' scope.

My two arguments in favour of this:

The _definition.update is already mandatory in the 'Item' scope.
Category definitions may also contain quite important information (e.g. key item declarations) so I think it would be useful to formally track this.