6.4.7. Additional Information

This section contains any other relevant information, which may include:

1. Contact information: Contact details for namespace administrators
2. Documentation references: References to related specifications or standards
3. Historical background: Development history of the namespace
4. Community support: Related mailing lists, forums, or support channels
5. Implementation examples: Known implementations or deployment cases
6. Future plans: Development roadmap for the namespace

This information helps users better understand and use the namespace, and promotes community participation.