Every content item in this list is tagged with all the required labels:

• differences
• element-diff
• model-validation
• relation-map-context
• relation-map-create-element
• relation-map-layout
• relation-map-validate
• uml-export
• validation
• validation-rules

To add a label to the list of required labels, choose '+ labelname' from Related Labels.
To remove a label from the required labels, choose '- labelname' from above.