XML Schema notation Element

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# XML Schema notation Element

Complete XML Schema Reference

## 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>

Complete XML Schema Reference

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