Mine

Getting close now--Original document<?xml version="1.0" encoding="utf-8"?><!-- Demonstration xml, parent element with two base classes--><config>  <parent id="parent1">    <item id="item1" name="Foo" attr="SomeOtherAttr"/>  </parent>  <child id="child1" inherits="parent1">    <item1 id="item2" name="NewItem" someOtherAttr="YetMoreAttributes"/>  </child>  <complex>    <child2 id="child2" inherits="parent1">      <spoon id="spoon1" text="Silverspoon"></spoon>    </child2>  </complex></config>--Transformed document<?xml version="1.0" encoding="utf-8"?><parent id="parent1">  <item id="item1" name="Foo" attr="SomeOtherAttr" /></parent><child id="child1">  <item1 id="item2" name="NewItem" someOtherAttr="YetMoreAttributes" />  <item id="item1" name="Foo" attr="SomeOtherAttr" /></child><complex>  <child2 id="child2">    <spoon id="spoon1" text="Silverspoon" />    <item id="item1" name="Foo" attr="SomeOtherAttr" />  </child2></complex>