1<schema xmlns:my='http://my.ns/' 2 xmlns='http://www.w3.org/2001/XMLSchema' 3 targetNamespace='http://my.ns/' 4 > 5 <attribute name='other' type='string'/> 6 <element name='my'> 7 <complexType> 8 <simpleContent> 9 <extension base='string'> 10 <attribute ref='my:other'/> 11 </extension> 12 </simpleContent> 13 </complexType> 14 </element> 15</schema> 16