Document how complex built-in types interact with the document type editor and the dynamic beans logic

Document how the following types are (or should be) supported in the document type editor and the dynamic content beans generation logic:

• Content blocks
• Valuelists
• Related documents
• Taxonomy
• Tags plugin
• Tagging plugin
• Inherited types (from built-in or third-party namespaces)

HSTTWO-4676 contains a number of example for the content blocks and inherited namespace cases