Ignore order of elements using xs:extension

Question

How can I design my xsd to ignore the sequence of elements?

Answer 1

Here is the explanation of the restriction: http://marc.info/?l=xerces-j-user&m=118712527901786&w=4

The only extension you can make to complex type with an "all" model is to add some attributes. You can't extend with new elements.

In my case I've done something like that: