and it will also be a problem with the dates, since it is put/written in the same text field as the value of the Attribute (Postal Code) itself…
When I read that, I just went…-> ???
That means it will not be possible to automatically sort any list of postal codes as a chronological list…
Another reason for having dates in addition to citations for attributes…
Ref: https://gramps.discourse.group/t/add-date-field-to-attributes