3 xmlns="http://relaxng.org/ns/structure/1.0"
4 xmlns:a="http://relaxng.org/ns/annotation/1.0"
5 xmlns:ex1="http://www.example.com/n1"
6 xmlns:ex2="http://www.example.com/n2">
7 <a:documentation>A foo element.</a:documentation>
8 <element name="ex1:bar1">
11 <element name="ex2:bar2">