XQuery: Documents with irregular namespaces, wildcard name tests

[ChristianGruen]

<commands>
  <create-db name='db'/>
  <add path='a.xml'>
    <A xmlns='a'/>
  </add>
  <add path='b.xml'>
    <b:B xmlns:b='b'/>
  </add>
  <close/>
  <xquery>db:get('db')/*:B</xquery>
</commands>