XML Schema notation Element
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Definition and Usage
The notation element describes the format of non-XML data within an XML document.
Element Information
- Parent elements: schema
 
Syntax
<notation
id=ID
name=NCName
public=anyURI
system=anyURI
any attributes
>
(annotation?)
</notation>
(The ? sign declares that the element can occur zero or one time inside the notation element)
| Attribute | Description | 
|---|---|
| id | Optional. Specifies a unique ID for the element | 
| name | Required. Specifies a name for the element | 
| public | Required. Specifies a URI corresponding to the public identifier | 
| system | 
 Optional. Specifies a URI corresponding to the system identifier  | 
  
| any attributes | Optional. Specifies any other attributes with non-schema namespace | 
Example 1
The following example shows a gif and a jpeg notation using a viewer application, view.exe:
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:notation name="gif" public="image/gif" system="view.exe"/>
<xs:notation name="jpeg" public="image/jpeg" system="view.exe"/>
<xs:element name="image">
  <xs:complexType>
    <xs:simpleContent>
      <xs:attribute name="type">
        <xs:simpleType>
          <xs:restriction base="xs:NOTATION">
            <xs:enumeration value="gif"/>
            <xs:enumeration value="jpeg"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
    </xs:simpleContent>
  </xs:complexType>
</xs:element>
</xs:schema>
The "image" element in a document could look like this:
<image type="gif"></image>
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