| <?xml version="1.0"?> | |
| <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> | |
| <xsd:element name="foo"> | |
| <xsd:key name="bar"> | |
| <xsd:notation name="jpeg" public="image/jpeg" system="viewer.exe"/> | |
| <xsd:selector xpath="//"/> | |
| <xsd:field/> | |
| </xsd:key> | |
| </xsd:element> | |
| </xsd:schema> |