Document Types > Document Types Available from Arbortext > DITA Standard Support > Unsupported DITA Features
  
Unsupported DITA Features
While you can use Arbortext Editor to edit any DITA 1.3 document, composition is not currently supported for all of the DITA features. The following new features are either not supported or not completely supported:
Conref ranges and conref preserve without resolving
Content reference validation based on the domains attribute
Header rows in Relationship Tables
Controlled values and taxonomies