poster wrote: > 1. Does XXE support key and keyref in schema? Yes, XXE fully supports W3C XML schemas, and this includes key and keyref.
> 2. What corresponding UI support is available e.g. to select elements for a > keyref? There is no UI support other than reporting validation errors when you save your document. It is of course possible to write a custom command in Java[tm] which does what you want. > 3. Is there an evaluation version of Profession Edition to check out things > like this? No but you can use Standard Edition to check features like this one. See http://www.xmlmind.com/xmleditor/user_faq.html#try_pro_edition

