1 <?xml version="1.0"?>

     2 <!-- Attribute uniqueness: different attributes with same local name -->

     3 <foo xmlns:a="http://example.org/~wilbur"

     4      xmlns:b="http://example.org/~kipper">

     5 

     6 <bar a:attr="1" b:attr="2"/>

     7 

     8 </foo>