The metadata information should be generic for all policies. The RelaxNG schema can be found in a separate file (this file :) and can be included by the schema file of a specific policy with the externalRef pattern. With this separation the policy and the metadata schema can be modified independently and the metadata schema can be used by the UI to render a separate page for the metadata of a policy. should be added automatically, use login information should be added automatically should be added automatically from RelaxNG metadata should be added automatically from RelaxNG metadata exclusive merge ignore exclusive merge ignore