Schema refactoring tools

Does anyone know of tools with support for schema refactoring? By that I 
mean structural changes, not just renaming things. The tools I've tried 
can't even handle something as basic as changing an attribute to a child 
element in a complexType definition.

  - Dennis

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Dennis M. Sosnoski
SOA and Web Services in Java
Training and Consulting
http://www.sosnoski.com - http://www.sosnoski.co.nz
Seattle, WA +1-425-939-0576 - Wellington, NZ +64-4-298-6117