The structuredefinition for de-Quantity.comparator exists multiple times (3x) in dataelements.xml. All of them differ a bit. Which is the correct one? And should this be solved in the dataelements file (https://www.hl7.org/fhir/dataelements.xml)?

Also the following structuredefinitions are multitple defined in dataelements.xml:
de-Quantity.id
de-Quantity.extension
de-Quantity.value
de-Quantity.unit
de-Quantity.system
de-Quantity.code

These structuredefintions are differ only on the constraint ele-1